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Finding the Fourth Proportional to 8,040.81, 12,061.22 and 4,344.78

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Solution

The fourth proportional to 8,040.81, 12,061.22 and 4,344.78 is: 6,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040.81 : 12,061.22 = 4,344.78 : x
  2. Step 2: Convert to fraction form
    8,040.81/12,061.22 = 4,344.78/x
  3. Step 3: Cross multiply
    8,040.81x = 12,061.22 × 4,344.78
  4. Step 4: Simplify right side
    8,040.81x = 52,403,347.43
  5. Step 5: Solve for x
    x = 52,403,347.43/8,040.81
  6. Step 6: Final answer
    x = 6,517.17

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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.