Home / 6,982.75-9,636.24-3,839.05

Finding the Fourth Proportional to 6,982.75, 9,636.24 and 3,839.05

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Solution

The fourth proportional to 6,982.75, 9,636.24 and 3,839.05 is: 5,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.75 : 9,636.24 = 3,839.05 : x
  2. Step 2: Convert to fraction form
    6,982.75/9,636.24 = 3,839.05/x
  3. Step 3: Cross multiply
    6,982.75x = 9,636.24 × 3,839.05
  4. Step 4: Simplify right side
    6,982.75x = 36,994,007.17
  5. Step 5: Solve for x
    x = 36,994,007.17/6,982.75
  6. Step 6: Final answer
    x = 5,297.91

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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.