Home / 7,610.43-11,399.92-4,480.79

Finding the Fourth Proportional to 7,610.43, 11,399.92 and 4,480.79

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Solution

The fourth proportional to 7,610.43, 11,399.92 and 4,480.79 is: 6,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.43 : 11,399.92 = 4,480.79 : x
  2. Step 2: Convert to fraction form
    7,610.43/11,399.92 = 4,480.79/x
  3. Step 3: Cross multiply
    7,610.43x = 11,399.92 × 4,480.79
  4. Step 4: Simplify right side
    7,610.43x = 51,080,647.54
  5. Step 5: Solve for x
    x = 51,080,647.54/7,610.43
  6. Step 6: Final answer
    x = 6,711.93

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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.