Home / 6,982.35-9,634.62-3,997.63

Finding the Fourth Proportional to 6,982.35, 9,634.62 and 3,997.63

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Solution

The fourth proportional to 6,982.35, 9,634.62 and 3,997.63 is: 5,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.35 : 9,634.62 = 3,997.63 : x
  2. Step 2: Convert to fraction form
    6,982.35/9,634.62 = 3,997.63/x
  3. Step 3: Cross multiply
    6,982.35x = 9,634.62 × 3,997.63
  4. Step 4: Simplify right side
    6,982.35x = 38,515,645.95
  5. Step 5: Solve for x
    x = 38,515,645.95/6,982.35
  6. Step 6: Final answer
    x = 5,516.14

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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.