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Finding the Fourth Proportional to 8,137.66, 12,202.17 and 3,751.39

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Solution

The fourth proportional to 8,137.66, 12,202.17 and 3,751.39 is: 5,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.66 : 12,202.17 = 3,751.39 : x
  2. Step 2: Convert to fraction form
    8,137.66/12,202.17 = 3,751.39/x
  3. Step 3: Cross multiply
    8,137.66x = 12,202.17 × 3,751.39
  4. Step 4: Simplify right side
    8,137.66x = 45,775,098.52
  5. Step 5: Solve for x
    x = 45,775,098.52/8,137.66
  6. Step 6: Final answer
    x = 5,625.09

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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.