Home / 8,001.12-11,045.18-5,872.92

Finding the Fourth Proportional to 8,001.12, 11,045.18 and 5,872.92

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Solution

The fourth proportional to 8,001.12, 11,045.18 and 5,872.92 is: 8,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.12 : 11,045.18 = 5,872.92 : x
  2. Step 2: Convert to fraction form
    8,001.12/11,045.18 = 5,872.92/x
  3. Step 3: Cross multiply
    8,001.12x = 11,045.18 × 5,872.92
  4. Step 4: Simplify right side
    8,001.12x = 64,867,458.53
  5. Step 5: Solve for x
    x = 64,867,458.53/8,001.12
  6. Step 6: Final answer
    x = 8,107.30

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Half scale
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Double scale
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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.