4. (8 points) The 6 vertices of the hexagram coincide exactly with the 6 vertices of a regular hexagon. Then the area of the shaded part is $\qquad$ times the area of the blank part.



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【Answer】Solution: According to the analysis, as shown in the figure, divide the figure into triangles of equal area. The shaded part consists of 18 small triangles, while the blank part has 6 small triangles. Therefore, the area of the shaded part is $18 \div 6=3$ times the area of the blank part. The answer is: 3.