Home / 6,982.12-9,635.71-3,997.27

Finding the Fourth Proportional to 6,982.12, 9,635.71 and 3,997.27

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Solution

The fourth proportional to 6,982.12, 9,635.71 and 3,997.27 is: 5,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.12 : 9,635.71 = 3,997.27 : x
  2. Step 2: Convert to fraction form
    6,982.12/9,635.71 = 3,997.27/x
  3. Step 3: Cross multiply
    6,982.12x = 9,635.71 × 3,997.27
  4. Step 4: Simplify right side
    6,982.12x = 38,516,486.33
  5. Step 5: Solve for x
    x = 38,516,486.33/6,982.12
  6. Step 6: Final answer
    x = 5,516.45

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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.