Home / 8,291.06-12,438.36-2,744.11

Finding the Fourth Proportional to 8,291.06, 12,438.36 and 2,744.11

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Solution

The fourth proportional to 8,291.06, 12,438.36 and 2,744.11 is: 4,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.06 : 12,438.36 = 2,744.11 : x
  2. Step 2: Convert to fraction form
    8,291.06/12,438.36 = 2,744.11/x
  3. Step 3: Cross multiply
    8,291.06x = 12,438.36 × 2,744.11
  4. Step 4: Simplify right side
    8,291.06x = 34,132,243.61
  5. Step 5: Solve for x
    x = 34,132,243.61/8,291.06
  6. Step 6: Final answer
    x = 4,116.75

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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.