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Finding the Fourth Proportional to 7,952.28, 11,928.12 and 3,270.99

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Solution

The fourth proportional to 7,952.28, 11,928.12 and 3,270.99 is: 4,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.28 : 11,928.12 = 3,270.99 : x
  2. Step 2: Convert to fraction form
    7,952.28/11,928.12 = 3,270.99/x
  3. Step 3: Cross multiply
    7,952.28x = 11,928.12 × 3,270.99
  4. Step 4: Simplify right side
    7,952.28x = 39,016,761.24
  5. Step 5: Solve for x
    x = 39,016,761.24/7,952.28
  6. Step 6: Final answer
    x = 4,906.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.