Home / 8,134.12-12,197.80-3,972.92

Finding the Fourth Proportional to 8,134.12, 12,197.80 and 3,972.92

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Solution

The fourth proportional to 8,134.12, 12,197.80 and 3,972.92 is: 5,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.12 : 12,197.80 = 3,972.92 : x
  2. Step 2: Convert to fraction form
    8,134.12/12,197.80 = 3,972.92/x
  3. Step 3: Cross multiply
    8,134.12x = 12,197.80 × 3,972.92
  4. Step 4: Simplify right side
    8,134.12x = 48,460,883.58
  5. Step 5: Solve for x
    x = 48,460,883.58/8,134.12
  6. Step 6: Final answer
    x = 5,957.73

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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.