Home / 5,449.30-8,171.19-2,529.64

Finding the Fourth Proportional to 5,449.30, 8,171.19 and 2,529.64

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Solution

The fourth proportional to 5,449.30, 8,171.19 and 2,529.64 is: 3,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.30 : 8,171.19 = 2,529.64 : x
  2. Step 2: Convert to fraction form
    5,449.30/8,171.19 = 2,529.64/x
  3. Step 3: Cross multiply
    5,449.30x = 8,171.19 × 2,529.64
  4. Step 4: Simplify right side
    5,449.30x = 20,670,169.07
  5. Step 5: Solve for x
    x = 20,670,169.07/5,449.30
  6. Step 6: Final answer
    x = 3,793.18

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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.