Home / 8,882.72-13,321.80-2,641.28

Finding the Fourth Proportional to 8,882.72, 13,321.80 and 2,641.28

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Solution

The fourth proportional to 8,882.72, 13,321.80 and 2,641.28 is: 3,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.72 : 13,321.80 = 2,641.28 : x
  2. Step 2: Convert to fraction form
    8,882.72/13,321.80 = 2,641.28/x
  3. Step 3: Cross multiply
    8,882.72x = 13,321.80 × 2,641.28
  4. Step 4: Simplify right side
    8,882.72x = 35,186,603.90
  5. Step 5: Solve for x
    x = 35,186,603.90/8,882.72
  6. Step 6: Final answer
    x = 3,961.24

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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.