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Finding the Fourth Proportional to 8,857.70, 13,286.55 and 2,701.70

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Solution

The fourth proportional to 8,857.70, 13,286.55 and 2,701.70 is: 4,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.70 : 13,286.55 = 2,701.70 : x
  2. Step 2: Convert to fraction form
    8,857.70/13,286.55 = 2,701.70/x
  3. Step 3: Cross multiply
    8,857.70x = 13,286.55 × 2,701.70
  4. Step 4: Simplify right side
    8,857.70x = 35,896,272.14
  5. Step 5: Solve for x
    x = 35,896,272.14/8,857.70
  6. Step 6: Final answer
    x = 4,052.55

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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.