Home / 8,718.25-13,069.41-3,169.21

Finding the Fourth Proportional to 8,718.25, 13,069.41 and 3,169.21

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Solution

The fourth proportional to 8,718.25, 13,069.41 and 3,169.21 is: 4,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.25 : 13,069.41 = 3,169.21 : x
  2. Step 2: Convert to fraction form
    8,718.25/13,069.41 = 3,169.21/x
  3. Step 3: Cross multiply
    8,718.25x = 13,069.41 × 3,169.21
  4. Step 4: Simplify right side
    8,718.25x = 41,419,704.87
  5. Step 5: Solve for x
    x = 41,419,704.87/8,718.25
  6. Step 6: Final answer
    x = 4,750.92

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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.