Home / 6,896.78-9,517.68-3,753.02

Finding the Fourth Proportional to 6,896.78, 9,517.68 and 3,753.02

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Solution

The fourth proportional to 6,896.78, 9,517.68 and 3,753.02 is: 5,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.78 : 9,517.68 = 3,753.02 : x
  2. Step 2: Convert to fraction form
    6,896.78/9,517.68 = 3,753.02/x
  3. Step 3: Cross multiply
    6,896.78x = 9,517.68 × 3,753.02
  4. Step 4: Simplify right side
    6,896.78x = 35,720,043.39
  5. Step 5: Solve for x
    x = 35,720,043.39/6,896.78
  6. Step 6: Final answer
    x = 5,179.23

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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.