Home / 5,407.91-8,100.92-4,171.04

Finding the Fourth Proportional to 5,407.91, 8,100.92 and 4,171.04

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Solution

The fourth proportional to 5,407.91, 8,100.92 and 4,171.04 is: 6,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.91 : 8,100.92 = 4,171.04 : x
  2. Step 2: Convert to fraction form
    5,407.91/8,100.92 = 4,171.04/x
  3. Step 3: Cross multiply
    5,407.91x = 8,100.92 × 4,171.04
  4. Step 4: Simplify right side
    5,407.91x = 33,789,231.28
  5. Step 5: Solve for x
    x = 33,789,231.28/5,407.91
  6. Step 6: Final answer
    x = 6,248.12

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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.