Home / 6,899.40-10,341.92-3,198.59

Finding the Fourth Proportional to 6,899.40, 10,341.92 and 3,198.59

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Solution

The fourth proportional to 6,899.40, 10,341.92 and 3,198.59 is: 4,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.40 : 10,341.92 = 3,198.59 : x
  2. Step 2: Convert to fraction form
    6,899.40/10,341.92 = 3,198.59/x
  3. Step 3: Cross multiply
    6,899.40x = 10,341.92 × 3,198.59
  4. Step 4: Simplify right side
    6,899.40x = 33,079,494.19
  5. Step 5: Solve for x
    x = 33,079,494.19/6,899.40
  6. Step 6: Final answer
    x = 4,794.55

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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.