Home / 8,198.69-12,302.05-3,517.31

Finding the Fourth Proportional to 8,198.69, 12,302.05 and 3,517.31

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Solution

The fourth proportional to 8,198.69, 12,302.05 and 3,517.31 is: 5,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.69 : 12,302.05 = 3,517.31 : x
  2. Step 2: Convert to fraction form
    8,198.69/12,302.05 = 3,517.31/x
  3. Step 3: Cross multiply
    8,198.69x = 12,302.05 × 3,517.31
  4. Step 4: Simplify right side
    8,198.69x = 43,270,122.38
  5. Step 5: Solve for x
    x = 43,270,122.38/8,198.69
  6. Step 6: Final answer
    x = 5,277.69

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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.