Home / 8,717.20-13,074.43-3,169.73

Finding the Fourth Proportional to 8,717.20, 13,074.43 and 3,169.73

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Solution

The fourth proportional to 8,717.20, 13,074.43 and 3,169.73 is: 4,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.20 : 13,074.43 = 3,169.73 : x
  2. Step 2: Convert to fraction form
    8,717.20/13,074.43 = 3,169.73/x
  3. Step 3: Cross multiply
    8,717.20x = 13,074.43 × 3,169.73
  4. Step 4: Simplify right side
    8,717.20x = 41,442,413.00
  5. Step 5: Solve for x
    x = 41,442,413.00/8,717.20
  6. Step 6: Final answer
    x = 4,754.10

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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.