Home / 8,432.55-11,637.92-5,077.04

Finding the Fourth Proportional to 8,432.55, 11,637.92 and 5,077.04

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Solution

The fourth proportional to 8,432.55, 11,637.92 and 5,077.04 is: 7,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.55 : 11,637.92 = 5,077.04 : x
  2. Step 2: Convert to fraction form
    8,432.55/11,637.92 = 5,077.04/x
  3. Step 3: Cross multiply
    8,432.55x = 11,637.92 × 5,077.04
  4. Step 4: Simplify right side
    8,432.55x = 59,086,139.86
  5. Step 5: Solve for x
    x = 59,086,139.86/8,432.55
  6. Step 6: Final answer
    x = 7,006.91

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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.