Home / 3,847.57-5,331.95-3,773.75

Finding the Fourth Proportional to 3,847.57, 5,331.95 and 3,773.75

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Solution

The fourth proportional to 3,847.57, 5,331.95 and 3,773.75 is: 5,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.57 : 5,331.95 = 3,773.75 : x
  2. Step 2: Convert to fraction form
    3,847.57/5,331.95 = 3,773.75/x
  3. Step 3: Cross multiply
    3,847.57x = 5,331.95 × 3,773.75
  4. Step 4: Simplify right side
    3,847.57x = 20,121,414.94
  5. Step 5: Solve for x
    x = 20,121,414.94/3,847.57
  6. Step 6: Final answer
    x = 5,229.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.