Home / 6,982.98-9,636.39-3,839.10

Finding the Fourth Proportional to 6,982.98, 9,636.39 and 3,839.10

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Solution

The fourth proportional to 6,982.98, 9,636.39 and 3,839.10 is: 5,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.98 : 9,636.39 = 3,839.10 : x
  2. Step 2: Convert to fraction form
    6,982.98/9,636.39 = 3,839.10/x
  3. Step 3: Cross multiply
    6,982.98x = 9,636.39 × 3,839.10
  4. Step 4: Simplify right side
    6,982.98x = 36,995,064.85
  5. Step 5: Solve for x
    x = 36,995,064.85/6,982.98
  6. Step 6: Final answer
    x = 5,297.89

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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.