Home / 8,134.20-12,201.30-5,542.20

Finding the Fourth Proportional to 8,134.20, 12,201.30 and 5,542.20

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Solution

The fourth proportional to 8,134.20, 12,201.30 and 5,542.20 is: 8,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.20 : 12,201.30 = 5,542.20 : x
  2. Step 2: Convert to fraction form
    8,134.20/12,201.30 = 5,542.20/x
  3. Step 3: Cross multiply
    8,134.20x = 12,201.30 × 5,542.20
  4. Step 4: Simplify right side
    8,134.20x = 67,622,044.86
  5. Step 5: Solve for x
    x = 67,622,044.86/8,134.20
  6. Step 6: Final answer
    x = 8,313.30

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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.