Home / 7,149.69-10,723.32-2,764.80

Finding the Fourth Proportional to 7,149.69, 10,723.32 and 2,764.80

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Solution

The fourth proportional to 7,149.69, 10,723.32 and 2,764.80 is: 4,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.69 : 10,723.32 = 2,764.80 : x
  2. Step 2: Convert to fraction form
    7,149.69/10,723.32 = 2,764.80/x
  3. Step 3: Cross multiply
    7,149.69x = 10,723.32 × 2,764.80
  4. Step 4: Simplify right side
    7,149.69x = 29,647,835.14
  5. Step 5: Solve for x
    x = 29,647,835.14/7,149.69
  6. Step 6: Final answer
    x = 4,146.73

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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.