Home / 8,754.28-13,127.46-2,512.87

Finding the Fourth Proportional to 8,754.28, 13,127.46 and 2,512.87

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Solution

The fourth proportional to 8,754.28, 13,127.46 and 2,512.87 is: 3,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.28 : 13,127.46 = 2,512.87 : x
  2. Step 2: Convert to fraction form
    8,754.28/13,127.46 = 2,512.87/x
  3. Step 3: Cross multiply
    8,754.28x = 13,127.46 × 2,512.87
  4. Step 4: Simplify right side
    8,754.28x = 32,987,600.41
  5. Step 5: Solve for x
    x = 32,987,600.41/8,754.28
  6. Step 6: Final answer
    x = 3,768.17

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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.