Home / 6,553.12-9,832.56-2,171.20

Finding the Fourth Proportional to 6,553.12, 9,832.56 and 2,171.20

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Solution

The fourth proportional to 6,553.12, 9,832.56 and 2,171.20 is: 3,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.12 : 9,832.56 = 2,171.20 : x
  2. Step 2: Convert to fraction form
    6,553.12/9,832.56 = 2,171.20/x
  3. Step 3: Cross multiply
    6,553.12x = 9,832.56 × 2,171.20
  4. Step 4: Simplify right side
    6,553.12x = 21,348,454.27
  5. Step 5: Solve for x
    x = 21,348,454.27/6,553.12
  6. Step 6: Final answer
    x = 3,257.75

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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.