Home / 6,879.11-10,314.80-2,198.03

Finding the Fourth Proportional to 6,879.11, 10,314.80 and 2,198.03

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Solution

The fourth proportional to 6,879.11, 10,314.80 and 2,198.03 is: 3,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.11 : 10,314.80 = 2,198.03 : x
  2. Step 2: Convert to fraction form
    6,879.11/10,314.80 = 2,198.03/x
  3. Step 3: Cross multiply
    6,879.11x = 10,314.80 × 2,198.03
  4. Step 4: Simplify right side
    6,879.11x = 22,672,177.28
  5. Step 5: Solve for x
    x = 22,672,177.28/6,879.11
  6. Step 6: Final answer
    x = 3,295.80

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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.