Home / 8,868.97-13,303.77-3,321.73

Finding the Fourth Proportional to 8,868.97, 13,303.77 and 3,321.73

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Solution

The fourth proportional to 8,868.97, 13,303.77 and 3,321.73 is: 4,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.97 : 13,303.77 = 3,321.73 : x
  2. Step 2: Convert to fraction form
    8,868.97/13,303.77 = 3,321.73/x
  3. Step 3: Cross multiply
    8,868.97x = 13,303.77 × 3,321.73
  4. Step 4: Simplify right side
    8,868.97x = 44,191,531.92
  5. Step 5: Solve for x
    x = 44,191,531.92/8,868.97
  6. Step 6: Final answer
    x = 4,982.71

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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.