Home / 8,149.26-12,226.62-3,469.08

Finding the Fourth Proportional to 8,149.26, 12,226.62 and 3,469.08

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Solution

The fourth proportional to 8,149.26, 12,226.62 and 3,469.08 is: 5,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.26 : 12,226.62 = 3,469.08 : x
  2. Step 2: Convert to fraction form
    8,149.26/12,226.62 = 3,469.08/x
  3. Step 3: Cross multiply
    8,149.26x = 12,226.62 × 3,469.08
  4. Step 4: Simplify right side
    8,149.26x = 42,415,122.91
  5. Step 5: Solve for x
    x = 42,415,122.91/8,149.26
  6. Step 6: Final answer
    x = 5,204.78

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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.