Home / 8,229.12-12,343.44-3,036

Finding the Fourth Proportional to 8,229.12, 12,343.44 and 3,036

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Solution

The fourth proportional to 8,229.12, 12,343.44 and 3,036 is: 4,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.12 : 12,343.44 = 3,036 : x
  2. Step 2: Convert to fraction form
    8,229.12/12,343.44 = 3,036/x
  3. Step 3: Cross multiply
    8,229.12x = 12,343.44 × 3,036
  4. Step 4: Simplify right side
    8,229.12x = 37,474,683.84
  5. Step 5: Solve for x
    x = 37,474,683.84/8,229.12
  6. Step 6: Final answer
    x = 4,553.91

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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.