Finding the Fourth Proportional to 7,440.66, 11,163.11 and 6,066.99
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Solution
The fourth proportional to 7,440.66, 11,163.11 and 6,066.99 is: 9,102.21
Step by Step Solution
- Step 1: Write the proportion equation
7,440.66 : 11,163.11 = 6,066.99 : x - Step 2: Convert to fraction form
7,440.66/11,163.11 = 6,066.99/x - Step 3: Cross multiply
7,440.66x = 11,163.11 × 6,066.99 - Step 4: Simplify right side
7,440.66x = 67,726,446.40 - Step 5: Solve for x
x = 67,726,446.40/7,440.66 - Step 6: Final answer
x = 9,102.21
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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.