Home / 6,982.99-9,636.92-3,839.83

Finding the Fourth Proportional to 6,982.99, 9,636.92 and 3,839.83

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Solution

The fourth proportional to 6,982.99, 9,636.92 and 3,839.83 is: 5,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.99 : 9,636.92 = 3,839.83 : x
  2. Step 2: Convert to fraction form
    6,982.99/9,636.92 = 3,839.83/x
  3. Step 3: Cross multiply
    6,982.99x = 9,636.92 × 3,839.83
  4. Step 4: Simplify right side
    6,982.99x = 37,004,115.32
  5. Step 5: Solve for x
    x = 37,004,115.32/6,982.99
  6. Step 6: Final answer
    x = 5,299.18

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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.