Home / 6,982.69-9,636.09-3,998.52

Finding the Fourth Proportional to 6,982.69, 9,636.09 and 3,998.52

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Solution

The fourth proportional to 6,982.69, 9,636.09 and 3,998.52 is: 5,517.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.69 : 9,636.09 = 3,998.52 : x
  2. Step 2: Convert to fraction form
    6,982.69/9,636.09 = 3,998.52/x
  3. Step 3: Cross multiply
    6,982.69x = 9,636.09 × 3,998.52
  4. Step 4: Simplify right side
    6,982.69x = 38,530,098.59
  5. Step 5: Solve for x
    x = 38,530,098.59/6,982.69
  6. Step 6: Final answer
    x = 5,517.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.