Home / 8,237.97-12,361.01-3,311.15

Finding the Fourth Proportional to 8,237.97, 12,361.01 and 3,311.15

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Solution

The fourth proportional to 8,237.97, 12,361.01 and 3,311.15 is: 4,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.97 : 12,361.01 = 3,311.15 : x
  2. Step 2: Convert to fraction form
    8,237.97/12,361.01 = 3,311.15/x
  3. Step 3: Cross multiply
    8,237.97x = 12,361.01 × 3,311.15
  4. Step 4: Simplify right side
    8,237.97x = 40,929,079.90
  5. Step 5: Solve for x
    x = 40,929,079.90/8,237.97
  6. Step 6: Final answer
    x = 4,968.35

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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.