Home / 7,971.13-11,958.15-2,634.62

Finding the Fourth Proportional to 7,971.13, 11,958.15 and 2,634.62

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Solution

The fourth proportional to 7,971.13, 11,958.15 and 2,634.62 is: 3,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.13 : 11,958.15 = 2,634.62 : x
  2. Step 2: Convert to fraction form
    7,971.13/11,958.15 = 2,634.62/x
  3. Step 3: Cross multiply
    7,971.13x = 11,958.15 × 2,634.62
  4. Step 4: Simplify right side
    7,971.13x = 31,505,114.78
  5. Step 5: Solve for x
    x = 31,505,114.78/7,971.13
  6. Step 6: Final answer
    x = 3,952.40

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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.