Home / 8,381.28-12,552.78-4,001.82

Finding the Fourth Proportional to 8,381.28, 12,552.78 and 4,001.82

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Solution

The fourth proportional to 8,381.28, 12,552.78 and 4,001.82 is: 5,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.28 : 12,552.78 = 4,001.82 : x
  2. Step 2: Convert to fraction form
    8,381.28/12,552.78 = 4,001.82/x
  3. Step 3: Cross multiply
    8,381.28x = 12,552.78 × 4,001.82
  4. Step 4: Simplify right side
    8,381.28x = 50,233,966.06
  5. Step 5: Solve for x
    x = 50,233,966.06/8,381.28
  6. Step 6: Final answer
    x = 5,993.59

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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.