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Finding the Fourth Proportional to 3,958.93, 5,928.09 and 3,842.03

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Solution

The fourth proportional to 3,958.93, 5,928.09 and 3,842.03 is: 5,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.93 : 5,928.09 = 3,842.03 : x
  2. Step 2: Convert to fraction form
    3,958.93/5,928.09 = 3,842.03/x
  3. Step 3: Cross multiply
    3,958.93x = 5,928.09 × 3,842.03
  4. Step 4: Simplify right side
    3,958.93x = 22,775,900.04
  5. Step 5: Solve for x
    x = 22,775,900.04/3,958.93
  6. Step 6: Final answer
    x = 5,753.05

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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.