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Finding the Fourth Proportional to 8,757.44, 13,136.27 and 2,914.05

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Solution

The fourth proportional to 8,757.44, 13,136.27 and 2,914.05 is: 4,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.44 : 13,136.27 = 2,914.05 : x
  2. Step 2: Convert to fraction form
    8,757.44/13,136.27 = 2,914.05/x
  3. Step 3: Cross multiply
    8,757.44x = 13,136.27 × 2,914.05
  4. Step 4: Simplify right side
    8,757.44x = 38,279,747.59
  5. Step 5: Solve for x
    x = 38,279,747.59/8,757.44
  6. Step 6: Final answer
    x = 4,371.11

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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.