Home / 8,785.56-13,180.17-3,591.44

Finding the Fourth Proportional to 8,785.56, 13,180.17 and 3,591.44

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Solution

The fourth proportional to 8,785.56, 13,180.17 and 3,591.44 is: 5,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.56 : 13,180.17 = 3,591.44 : x
  2. Step 2: Convert to fraction form
    8,785.56/13,180.17 = 3,591.44/x
  3. Step 3: Cross multiply
    8,785.56x = 13,180.17 × 3,591.44
  4. Step 4: Simplify right side
    8,785.56x = 47,335,789.74
  5. Step 5: Solve for x
    x = 47,335,789.74/8,785.56
  6. Step 6: Final answer
    x = 5,387.91

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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.