Home / 8,862.33-13,286.90-3,863.76

Finding the Fourth Proportional to 8,862.33, 13,286.90 and 3,863.76

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Solution

The fourth proportional to 8,862.33, 13,286.90 and 3,863.76 is: 5,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.33 : 13,286.90 = 3,863.76 : x
  2. Step 2: Convert to fraction form
    8,862.33/13,286.90 = 3,863.76/x
  3. Step 3: Cross multiply
    8,862.33x = 13,286.90 × 3,863.76
  4. Step 4: Simplify right side
    8,862.33x = 51,337,392.74
  5. Step 5: Solve for x
    x = 51,337,392.74/8,862.33
  6. Step 6: Final answer
    x = 5,792.76

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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.