Home / 5,861.12-8,781.92-4,126.72

Finding the Fourth Proportional to 5,861.12, 8,781.92 and 4,126.72

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Solution

The fourth proportional to 5,861.12, 8,781.92 and 4,126.72 is: 6,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.12 : 8,781.92 = 4,126.72 : x
  2. Step 2: Convert to fraction form
    5,861.12/8,781.92 = 4,126.72/x
  3. Step 3: Cross multiply
    5,861.12x = 8,781.92 × 4,126.72
  4. Step 4: Simplify right side
    5,861.12x = 36,240,524.90
  5. Step 5: Solve for x
    x = 36,240,524.90/5,861.12
  6. Step 6: Final answer
    x = 6,183.21

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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.