Home / 8,781.41-13,175.57-3,847.59

Finding the Fourth Proportional to 8,781.41, 13,175.57 and 3,847.59

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Solution

The fourth proportional to 8,781.41, 13,175.57 and 3,847.59 is: 5,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.41 : 13,175.57 = 3,847.59 : x
  2. Step 2: Convert to fraction form
    8,781.41/13,175.57 = 3,847.59/x
  3. Step 3: Cross multiply
    8,781.41x = 13,175.57 × 3,847.59
  4. Step 4: Simplify right side
    8,781.41x = 50,694,191.38
  5. Step 5: Solve for x
    x = 50,694,191.38/8,781.41
  6. Step 6: Final answer
    x = 5,772.90

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1.5x scale

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.