Home / 7,067.48-9,753.30-3,923.80

Finding the Fourth Proportional to 7,067.48, 9,753.30 and 3,923.80

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Solution

The fourth proportional to 7,067.48, 9,753.30 and 3,923.80 is: 5,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.48 : 9,753.30 = 3,923.80 : x
  2. Step 2: Convert to fraction form
    7,067.48/9,753.30 = 3,923.80/x
  3. Step 3: Cross multiply
    7,067.48x = 9,753.30 × 3,923.80
  4. Step 4: Simplify right side
    7,067.48x = 38,269,998.54
  5. Step 5: Solve for x
    x = 38,269,998.54/7,067.48
  6. Step 6: Final answer
    x = 5,414.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.