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Finding the Fourth Proportional to 6,732.24, 9,287.99 and 6,721.85

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Solution

The fourth proportional to 6,732.24, 9,287.99 and 6,721.85 is: 9,273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.24 : 9,287.99 = 6,721.85 : x
  2. Step 2: Convert to fraction form
    6,732.24/9,287.99 = 6,721.85/x
  3. Step 3: Cross multiply
    6,732.24x = 9,287.99 × 6,721.85
  4. Step 4: Simplify right side
    6,732.24x = 62,432,395.53
  5. Step 5: Solve for x
    x = 62,432,395.53/6,732.24
  6. Step 6: Final answer
    x = 9,273.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.