Home / 7,141.31-9,854.08-3,997.49

Finding the Fourth Proportional to 7,141.31, 9,854.08 and 3,997.49

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Solution

The fourth proportional to 7,141.31, 9,854.08 and 3,997.49 is: 5,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.31 : 9,854.08 = 3,997.49 : x
  2. Step 2: Convert to fraction form
    7,141.31/9,854.08 = 3,997.49/x
  3. Step 3: Cross multiply
    7,141.31x = 9,854.08 × 3,997.49
  4. Step 4: Simplify right side
    7,141.31x = 39,391,600.90
  5. Step 5: Solve for x
    x = 39,391,600.90/7,141.31
  6. Step 6: Final answer
    x = 5,516.02

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