Home / 8,220.56-12,333.44-2,951.96

Finding the Fourth Proportional to 8,220.56, 12,333.44 and 2,951.96

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Solution

The fourth proportional to 8,220.56, 12,333.44 and 2,951.96 is: 4,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.56 : 12,333.44 = 2,951.96 : x
  2. Step 2: Convert to fraction form
    8,220.56/12,333.44 = 2,951.96/x
  3. Step 3: Cross multiply
    8,220.56x = 12,333.44 × 2,951.96
  4. Step 4: Simplify right side
    8,220.56x = 36,407,821.54
  5. Step 5: Solve for x
    x = 36,407,821.54/8,220.56
  6. Step 6: Final answer
    x = 4,428.87

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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.