Home / 6,216.20-9,324.30-4,247.90

Finding the Fourth Proportional to 6,216.20, 9,324.30 and 4,247.90

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Solution

The fourth proportional to 6,216.20, 9,324.30 and 4,247.90 is: 6,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.20 : 9,324.30 = 4,247.90 : x
  2. Step 2: Convert to fraction form
    6,216.20/9,324.30 = 4,247.90/x
  3. Step 3: Cross multiply
    6,216.20x = 9,324.30 × 4,247.90
  4. Step 4: Simplify right side
    6,216.20x = 39,608,693.97
  5. Step 5: Solve for x
    x = 39,608,693.97/6,216.20
  6. Step 6: Final answer
    x = 6,371.85

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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.