Home / 6,654.30-9,182.61-4,001.20

Finding the Fourth Proportional to 6,654.30, 9,182.61 and 4,001.20

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Solution

The fourth proportional to 6,654.30, 9,182.61 and 4,001.20 is: 5,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.30 : 9,182.61 = 4,001.20 : x
  2. Step 2: Convert to fraction form
    6,654.30/9,182.61 = 4,001.20/x
  3. Step 3: Cross multiply
    6,654.30x = 9,182.61 × 4,001.20
  4. Step 4: Simplify right side
    6,654.30x = 36,741,393.21
  5. Step 5: Solve for x
    x = 36,741,393.21/6,654.30
  6. Step 6: Final answer
    x = 5,521.45

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.