Home / 6,982.02-9,633.78-3,997.98

Finding the Fourth Proportional to 6,982.02, 9,633.78 and 3,997.98

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Solution

The fourth proportional to 6,982.02, 9,633.78 and 3,997.98 is: 5,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.02 : 9,633.78 = 3,997.98 : x
  2. Step 2: Convert to fraction form
    6,982.02/9,633.78 = 3,997.98/x
  3. Step 3: Cross multiply
    6,982.02x = 9,633.78 × 3,997.98
  4. Step 4: Simplify right side
    6,982.02x = 38,515,659.76
  5. Step 5: Solve for x
    x = 38,515,659.76/6,982.02
  6. Step 6: Final answer
    x = 5,516.41

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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.