Home / 6,896.24-9,517.28-3,912.09

Finding the Fourth Proportional to 6,896.24, 9,517.28 and 3,912.09

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Solution

The fourth proportional to 6,896.24, 9,517.28 and 3,912.09 is: 5,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.24 : 9,517.28 = 3,912.09 : x
  2. Step 2: Convert to fraction form
    6,896.24/9,517.28 = 3,912.09/x
  3. Step 3: Cross multiply
    6,896.24x = 9,517.28 × 3,912.09
  4. Step 4: Simplify right side
    6,896.24x = 37,232,436.35
  5. Step 5: Solve for x
    x = 37,232,436.35/6,896.24
  6. Step 6: Final answer
    x = 5,398.95

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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.