Magento Expert needed for a quick fix

hi, I will need to let you adjust something for me... the way the stars are showing is if one person rate 5 and the other 4 the rating is 4.5 but the stars show 5 yellow. it should show 4 yellow and the fifth half need to make the stars fill up depending on the 4.1, 4.2 etcc i have attached example image named CAPTURE is an example of 4.5 rating, and CAPTURE1 is example of 4.1 or 4.2