Home / 6,187.60-9,278.50-3,591.28

Finding the Fourth Proportional to 6,187.60, 9,278.50 and 3,591.28

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Solution

The fourth proportional to 6,187.60, 9,278.50 and 3,591.28 is: 5,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.60 : 9,278.50 = 3,591.28 : x
  2. Step 2: Convert to fraction form
    6,187.60/9,278.50 = 3,591.28/x
  3. Step 3: Cross multiply
    6,187.60x = 9,278.50 × 3,591.28
  4. Step 4: Simplify right side
    6,187.60x = 33,321,691.48
  5. Step 5: Solve for x
    x = 33,321,691.48/6,187.60
  6. Step 6: Final answer
    x = 5,385.24

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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.