Home / 4,882.18-7,318.79-1,761.46

Finding the Fourth Proportional to 4,882.18, 7,318.79 and 1,761.46

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Solution

The fourth proportional to 4,882.18, 7,318.79 and 1,761.46 is: 2,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.18 : 7,318.79 = 1,761.46 : x
  2. Step 2: Convert to fraction form
    4,882.18/7,318.79 = 1,761.46/x
  3. Step 3: Cross multiply
    4,882.18x = 7,318.79 × 1,761.46
  4. Step 4: Simplify right side
    4,882.18x = 12,891,755.83
  5. Step 5: Solve for x
    x = 12,891,755.83/4,882.18
  6. Step 6: Final answer
    x = 2,640.57

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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.