Home / 8,872.56-13,286.97-5,577.48

Finding the Fourth Proportional to 8,872.56, 13,286.97 and 5,577.48

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Solution

The fourth proportional to 8,872.56, 13,286.97 and 5,577.48 is: 8,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.56 : 13,286.97 = 5,577.48 : x
  2. Step 2: Convert to fraction form
    8,872.56/13,286.97 = 5,577.48/x
  3. Step 3: Cross multiply
    8,872.56x = 13,286.97 × 5,577.48
  4. Step 4: Simplify right side
    8,872.56x = 74,107,809.44
  5. Step 5: Solve for x
    x = 74,107,809.44/8,872.56
  6. Step 6: Final answer
    x = 8,352.47

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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.