Home / 6,896.16-9,517.32-3,912.12

Finding the Fourth Proportional to 6,896.16, 9,517.32 and 3,912.12

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Solution

The fourth proportional to 6,896.16, 9,517.32 and 3,912.12 is: 5,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,896.16 : 9,517.32 = 3,912.12 : x
  2. Step 2: Convert to fraction form
    6,896.16/9,517.32 = 3,912.12/x
  3. Step 3: Cross multiply
    6,896.16x = 9,517.32 × 3,912.12
  4. Step 4: Simplify right side
    6,896.16x = 37,232,897.92
  5. Step 5: Solve for x
    x = 37,232,897.92/6,896.16
  6. Step 6: Final answer
    x = 5,399.08

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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.