Home / 8,202.27-12,300.85-2,654.47

Finding the Fourth Proportional to 8,202.27, 12,300.85 and 2,654.47

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Solution

The fourth proportional to 8,202.27, 12,300.85 and 2,654.47 is: 3,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.27 : 12,300.85 = 2,654.47 : x
  2. Step 2: Convert to fraction form
    8,202.27/12,300.85 = 2,654.47/x
  3. Step 3: Cross multiply
    8,202.27x = 12,300.85 × 2,654.47
  4. Step 4: Simplify right side
    8,202.27x = 32,652,241.06
  5. Step 5: Solve for x
    x = 32,652,241.06/8,202.27
  6. Step 6: Final answer
    x = 3,980.88

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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.