Home / 8,839.32-13,259-4,155.90

Finding the Fourth Proportional to 8,839.32, 13,259 and 4,155.90

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Solution

The fourth proportional to 8,839.32, 13,259 and 4,155.90 is: 6,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.32 : 13,259 = 4,155.90 : x
  2. Step 2: Convert to fraction form
    8,839.32/13,259 = 4,155.90/x
  3. Step 3: Cross multiply
    8,839.32x = 13,259 × 4,155.90
  4. Step 4: Simplify right side
    8,839.32x = 55,103,078.10
  5. Step 5: Solve for x
    x = 55,103,078.10/8,839.32
  6. Step 6: Final answer
    x = 6,233.86

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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.