Home / 8,379.02-12,568.61-3,446.73

Finding the Fourth Proportional to 8,379.02, 12,568.61 and 3,446.73

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Solution

The fourth proportional to 8,379.02, 12,568.61 and 3,446.73 is: 5,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.02 : 12,568.61 = 3,446.73 : x
  2. Step 2: Convert to fraction form
    8,379.02/12,568.61 = 3,446.73/x
  3. Step 3: Cross multiply
    8,379.02x = 12,568.61 × 3,446.73
  4. Step 4: Simplify right side
    8,379.02x = 43,320,587.91
  5. Step 5: Solve for x
    x = 43,320,587.91/8,379.02
  6. Step 6: Final answer
    x = 5,170.13

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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.