Home / 4,507.17-6,761.97-1,387.50

Finding the Fourth Proportional to 4,507.17, 6,761.97 and 1,387.50

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Solution

The fourth proportional to 4,507.17, 6,761.97 and 1,387.50 is: 2,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.17 : 6,761.97 = 1,387.50 : x
  2. Step 2: Convert to fraction form
    4,507.17/6,761.97 = 1,387.50/x
  3. Step 3: Cross multiply
    4,507.17x = 6,761.97 × 1,387.50
  4. Step 4: Simplify right side
    4,507.17x = 9,382,233.38
  5. Step 5: Solve for x
    x = 9,382,233.38/4,507.17
  6. Step 6: Final answer
    x = 2,081.62

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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.