Home / 5,629.31-8,449.25-2,857.97

Finding the Fourth Proportional to 5,629.31, 8,449.25 and 2,857.97

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Solution

The fourth proportional to 5,629.31, 8,449.25 and 2,857.97 is: 4,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.31 : 8,449.25 = 2,857.97 : x
  2. Step 2: Convert to fraction form
    5,629.31/8,449.25 = 2,857.97/x
  3. Step 3: Cross multiply
    5,629.31x = 8,449.25 × 2,857.97
  4. Step 4: Simplify right side
    5,629.31x = 24,147,686.44
  5. Step 5: Solve for x
    x = 24,147,686.44/5,629.31
  6. Step 6: Final answer
    x = 4,289.64

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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.