Home / 6,654-9,982.16-2,211.92

Finding the Fourth Proportional to 6,654, 9,982.16 and 2,211.92

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Solution

The fourth proportional to 6,654, 9,982.16 and 2,211.92 is: 3,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654 : 9,982.16 = 2,211.92 : x
  2. Step 2: Convert to fraction form
    6,654/9,982.16 = 2,211.92/x
  3. Step 3: Cross multiply
    6,654x = 9,982.16 × 2,211.92
  4. Step 4: Simplify right side
    6,654x = 22,079,739.35
  5. Step 5: Solve for x
    x = 22,079,739.35/6,654
  6. Step 6: Final answer
    x = 3,318.27

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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.