Home / 8,744.96-13,121.28-4,641.28

Finding the Fourth Proportional to 8,744.96, 13,121.28 and 4,641.28

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Solution

The fourth proportional to 8,744.96, 13,121.28 and 4,641.28 is: 6,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.96 : 13,121.28 = 4,641.28 : x
  2. Step 2: Convert to fraction form
    8,744.96/13,121.28 = 4,641.28/x
  3. Step 3: Cross multiply
    8,744.96x = 13,121.28 × 4,641.28
  4. Step 4: Simplify right side
    8,744.96x = 60,899,534.44
  5. Step 5: Solve for x
    x = 60,899,534.44/8,744.96
  6. Step 6: Final answer
    x = 6,963.96

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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.