Home / 8,489.05-12,732.19-2,249.45

Finding the Fourth Proportional to 8,489.05, 12,732.19 and 2,249.45

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Solution

The fourth proportional to 8,489.05, 12,732.19 and 2,249.45 is: 3,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.05 : 12,732.19 = 2,249.45 : x
  2. Step 2: Convert to fraction form
    8,489.05/12,732.19 = 2,249.45/x
  3. Step 3: Cross multiply
    8,489.05x = 12,732.19 × 2,249.45
  4. Step 4: Simplify right side
    8,489.05x = 28,640,474.88
  5. Step 5: Solve for x
    x = 28,640,474.88/8,489.05
  6. Step 6: Final answer
    x = 3,373.81

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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.