Home / 8,339.28-12,510.27-3,954.33

Finding the Fourth Proportional to 8,339.28, 12,510.27 and 3,954.33

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Solution

The fourth proportional to 8,339.28, 12,510.27 and 3,954.33 is: 5,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.28 : 12,510.27 = 3,954.33 : x
  2. Step 2: Convert to fraction form
    8,339.28/12,510.27 = 3,954.33/x
  3. Step 3: Cross multiply
    8,339.28x = 12,510.27 × 3,954.33
  4. Step 4: Simplify right side
    8,339.28x = 49,469,735.97
  5. Step 5: Solve for x
    x = 49,469,735.97/8,339.28
  6. Step 6: Final answer
    x = 5,932.14

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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.