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Finding the Fourth Proportional to 8,191.26, 12,286.88 and 2,035.26

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Solution

The fourth proportional to 8,191.26, 12,286.88 and 2,035.26 is: 3,052.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.26 : 12,286.88 = 2,035.26 : x
  2. Step 2: Convert to fraction form
    8,191.26/12,286.88 = 2,035.26/x
  3. Step 3: Cross multiply
    8,191.26x = 12,286.88 × 2,035.26
  4. Step 4: Simplify right side
    8,191.26x = 25,006,995.39
  5. Step 5: Solve for x
    x = 25,006,995.39/8,191.26
  6. Step 6: Final answer
    x = 3,052.89

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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.