Home / 6,982.74-9,636.57-3,839.58

Finding the Fourth Proportional to 6,982.74, 9,636.57 and 3,839.58

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Solution

The fourth proportional to 6,982.74, 9,636.57 and 3,839.58 is: 5,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.74 : 9,636.57 = 3,839.58 : x
  2. Step 2: Convert to fraction form
    6,982.74/9,636.57 = 3,839.58/x
  3. Step 3: Cross multiply
    6,982.74x = 9,636.57 × 3,839.58
  4. Step 4: Simplify right side
    6,982.74x = 37,000,381.44
  5. Step 5: Solve for x
    x = 37,000,381.44/6,982.74
  6. Step 6: Final answer
    x = 5,298.83

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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.