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Finding the Fourth Proportional to 7,952.01, 11,928.02 and 2,757.89

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Solution

The fourth proportional to 7,952.01, 11,928.02 and 2,757.89 is: 4,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.01 : 11,928.02 = 2,757.89 : x
  2. Step 2: Convert to fraction form
    7,952.01/11,928.02 = 2,757.89/x
  3. Step 3: Cross multiply
    7,952.01x = 11,928.02 × 2,757.89
  4. Step 4: Simplify right side
    7,952.01x = 32,896,093.65
  5. Step 5: Solve for x
    x = 32,896,093.65/7,952.01
  6. Step 6: Final answer
    x = 4,136.83

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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.