Home / 6,879.07-10,315.46-2,198.17

Finding the Fourth Proportional to 6,879.07, 10,315.46 and 2,198.17

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Solution

The fourth proportional to 6,879.07, 10,315.46 and 2,198.17 is: 3,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.07 : 10,315.46 = 2,198.17 : x
  2. Step 2: Convert to fraction form
    6,879.07/10,315.46 = 2,198.17/x
  3. Step 3: Cross multiply
    6,879.07x = 10,315.46 × 2,198.17
  4. Step 4: Simplify right side
    6,879.07x = 22,675,123.72
  5. Step 5: Solve for x
    x = 22,675,123.72/6,879.07
  6. Step 6: Final answer
    x = 3,296.25

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1.5x scale

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.