Home / 3,712.59-5,568.90-939.27

Finding the Fourth Proportional to 3,712.59, 5,568.90 and 939.27

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Solution

The fourth proportional to 3,712.59, 5,568.90 and 939.27 is: 1,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.59 : 5,568.90 = 939.27 : x
  2. Step 2: Convert to fraction form
    3,712.59/5,568.90 = 939.27/x
  3. Step 3: Cross multiply
    3,712.59x = 5,568.90 × 939.27
  4. Step 4: Simplify right side
    3,712.59x = 5,230,700.70
  5. Step 5: Solve for x
    x = 5,230,700.70/3,712.59
  6. Step 6: Final answer
    x = 1,408.91

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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.