Home / 9,142.57-13,713.85-2,568.61

Finding the Fourth Proportional to 9,142.57, 13,713.85 and 2,568.61

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Solution

The fourth proportional to 9,142.57, 13,713.85 and 2,568.61 is: 3,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.57 : 13,713.85 = 2,568.61 : x
  2. Step 2: Convert to fraction form
    9,142.57/13,713.85 = 2,568.61/x
  3. Step 3: Cross multiply
    9,142.57x = 13,713.85 × 2,568.61
  4. Step 4: Simplify right side
    9,142.57x = 35,225,463.68
  5. Step 5: Solve for x
    x = 35,225,463.68/9,142.57
  6. Step 6: Final answer
    x = 3,852.91

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Similar ratio
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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.