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Finding the Fourth Proportional to 7,952.73, 11,928.16 and 3,567.79

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Solution

The fourth proportional to 7,952.73, 11,928.16 and 3,567.79 is: 5,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.73 : 11,928.16 = 3,567.79 : x
  2. Step 2: Convert to fraction form
    7,952.73/11,928.16 = 3,567.79/x
  3. Step 3: Cross multiply
    7,952.73x = 11,928.16 × 3,567.79
  4. Step 4: Simplify right side
    7,952.73x = 42,557,169.97
  5. Step 5: Solve for x
    x = 42,557,169.97/7,952.73
  6. Step 6: Final answer
    x = 5,351.27

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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.