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Finding the Fourth Proportional to 8,888.01, 13,340.39 and 4,508.61

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Solution

The fourth proportional to 8,888.01, 13,340.39 and 4,508.61 is: 6,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.01 : 13,340.39 = 4,508.61 : x
  2. Step 2: Convert to fraction form
    8,888.01/13,340.39 = 4,508.61/x
  3. Step 3: Cross multiply
    8,888.01x = 13,340.39 × 4,508.61
  4. Step 4: Simplify right side
    8,888.01x = 60,146,593.21
  5. Step 5: Solve for x
    x = 60,146,593.21/8,888.01
  6. Step 6: Final answer
    x = 6,767.16

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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.