Home / 8,743.41-13,115.01-5,234.39

Finding the Fourth Proportional to 8,743.41, 13,115.01 and 5,234.39

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Solution

The fourth proportional to 8,743.41, 13,115.01 and 5,234.39 is: 7,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.41 : 13,115.01 = 5,234.39 : x
  2. Step 2: Convert to fraction form
    8,743.41/13,115.01 = 5,234.39/x
  3. Step 3: Cross multiply
    8,743.41x = 13,115.01 × 5,234.39
  4. Step 4: Simplify right side
    8,743.41x = 68,649,080.43
  5. Step 5: Solve for x
    x = 68,649,080.43/8,743.41
  6. Step 6: Final answer
    x = 7,851.52

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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.