Home / 6,119.28-9,179.52-2,223.96

Finding the Fourth Proportional to 6,119.28, 9,179.52 and 2,223.96

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Solution

The fourth proportional to 6,119.28, 9,179.52 and 2,223.96 is: 3,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.28 : 9,179.52 = 2,223.96 : x
  2. Step 2: Convert to fraction form
    6,119.28/9,179.52 = 2,223.96/x
  3. Step 3: Cross multiply
    6,119.28x = 9,179.52 × 2,223.96
  4. Step 4: Simplify right side
    6,119.28x = 20,414,885.30
  5. Step 5: Solve for x
    x = 20,414,885.30/6,119.28
  6. Step 6: Final answer
    x = 3,336.16

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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.