Home / 8,785.49-13,178.23-3,591.36

Finding the Fourth Proportional to 8,785.49, 13,178.23 and 3,591.36

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Solution

The fourth proportional to 8,785.49, 13,178.23 and 3,591.36 is: 5,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.49 : 13,178.23 = 3,591.36 : x
  2. Step 2: Convert to fraction form
    8,785.49/13,178.23 = 3,591.36/x
  3. Step 3: Cross multiply
    8,785.49x = 13,178.23 × 3,591.36
  4. Step 4: Simplify right side
    8,785.49x = 47,327,759.11
  5. Step 5: Solve for x
    x = 47,327,759.11/8,785.49
  6. Step 6: Final answer
    x = 5,387.04

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Double scale
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Similar ratio
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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.