Home / 4,654.97-6,984.21-2,157.38

Finding the Fourth Proportional to 4,654.97, 6,984.21 and 2,157.38

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Solution

The fourth proportional to 4,654.97, 6,984.21 and 2,157.38 is: 3,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.97 : 6,984.21 = 2,157.38 : x
  2. Step 2: Convert to fraction form
    4,654.97/6,984.21 = 2,157.38/x
  3. Step 3: Cross multiply
    4,654.97x = 6,984.21 × 2,157.38
  4. Step 4: Simplify right side
    4,654.97x = 15,067,560.05
  5. Step 5: Solve for x
    x = 15,067,560.05/4,654.97
  6. Step 6: Final answer
    x = 3,236.88

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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.