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Finding the Fourth Proportional to 8,020.13, 12,025.13 and 3,861.18

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Solution

The fourth proportional to 8,020.13, 12,025.13 and 3,861.18 is: 5,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.13 : 12,025.13 = 3,861.18 : x
  2. Step 2: Convert to fraction form
    8,020.13/12,025.13 = 3,861.18/x
  3. Step 3: Cross multiply
    8,020.13x = 12,025.13 × 3,861.18
  4. Step 4: Simplify right side
    8,020.13x = 46,431,172.15
  5. Step 5: Solve for x
    x = 46,431,172.15/8,020.13
  6. Step 6: Final answer
    x = 5,789.33

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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.