Home / 8,863.65-13,291.25-5,166.95

Finding the Fourth Proportional to 8,863.65, 13,291.25 and 5,166.95

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Solution

The fourth proportional to 8,863.65, 13,291.25 and 5,166.95 is: 7,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.65 : 13,291.25 = 5,166.95 : x
  2. Step 2: Convert to fraction form
    8,863.65/13,291.25 = 5,166.95/x
  3. Step 3: Cross multiply
    8,863.65x = 13,291.25 × 5,166.95
  4. Step 4: Simplify right side
    8,863.65x = 68,675,131.90
  5. Step 5: Solve for x
    x = 68,675,131.90/8,863.65
  6. Step 6: Final answer
    x = 7,747.95

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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.