Finding the Fourth Proportional to 7,668.36, 11,503.79 and 2,736.68
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Solution
The fourth proportional to 7,668.36, 11,503.79 and 2,736.68 is: 4,105.46
Step by Step Solution
- Step 1: Write the proportion equation
7,668.36 : 11,503.79 = 2,736.68 : x - Step 2: Convert to fraction form
7,668.36/11,503.79 = 2,736.68/x - Step 3: Cross multiply
7,668.36x = 11,503.79 × 2,736.68 - Step 4: Simplify right side
7,668.36x = 31,482,120.81 - Step 5: Solve for x
x = 31,482,120.81/7,668.36 - Step 6: Final answer
x = 4,105.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.