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Finding the Fourth Proportional to 8,560.22, 12,841.13 and 3,364.88

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Solution

The fourth proportional to 8,560.22, 12,841.13 and 3,364.88 is: 5,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.22 : 12,841.13 = 3,364.88 : x
  2. Step 2: Convert to fraction form
    8,560.22/12,841.13 = 3,364.88/x
  3. Step 3: Cross multiply
    8,560.22x = 12,841.13 × 3,364.88
  4. Step 4: Simplify right side
    8,560.22x = 43,208,805.72
  5. Step 5: Solve for x
    x = 43,208,805.72/8,560.22
  6. Step 6: Final answer
    x = 5,047.63

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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.