Home / 8,632.97-12,933.78-3,956.87

Finding the Fourth Proportional to 8,632.97, 12,933.78 and 3,956.87

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Solution

The fourth proportional to 8,632.97, 12,933.78 and 3,956.87 is: 5,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.97 : 12,933.78 = 3,956.87 : x
  2. Step 2: Convert to fraction form
    8,632.97/12,933.78 = 3,956.87/x
  3. Step 3: Cross multiply
    8,632.97x = 12,933.78 × 3,956.87
  4. Step 4: Simplify right side
    8,632.97x = 51,177,286.07
  5. Step 5: Solve for x
    x = 51,177,286.07/8,632.97
  6. Step 6: Final answer
    x = 5,928.12

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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.