Home / 7,149.24-10,724.34-2,469.72

Finding the Fourth Proportional to 7,149.24, 10,724.34 and 2,469.72

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Solution

The fourth proportional to 7,149.24, 10,724.34 and 2,469.72 is: 3,704.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.24 : 10,724.34 = 2,469.72 : x
  2. Step 2: Convert to fraction form
    7,149.24/10,724.34 = 2,469.72/x
  3. Step 3: Cross multiply
    7,149.24x = 10,724.34 × 2,469.72
  4. Step 4: Simplify right side
    7,149.24x = 26,486,116.98
  5. Step 5: Solve for x
    x = 26,486,116.98/7,149.24
  6. Step 6: Final answer
    x = 3,704.75

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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.