Finding the Fourth Proportional to 7,467.13, 11,202.72 and 6,651.10
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Solution
The fourth proportional to 7,467.13, 11,202.72 and 6,651.10 is: 9,978.45
Step by Step Solution
- Step 1: Write the proportion equation
7,467.13 : 11,202.72 = 6,651.10 : x - Step 2: Convert to fraction form
7,467.13/11,202.72 = 6,651.10/x - Step 3: Cross multiply
7,467.13x = 11,202.72 × 6,651.10 - Step 4: Simplify right side
7,467.13x = 74,510,410.99 - Step 5: Solve for x
x = 74,510,410.99/7,467.13 - Step 6: Final answer
x = 9,978.45
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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.