Home / 7,937.27-11,911.39-2,743.15

Finding the Fourth Proportional to 7,937.27, 11,911.39 and 2,743.15

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Solution

The fourth proportional to 7,937.27, 11,911.39 and 2,743.15 is: 4,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.27 : 11,911.39 = 2,743.15 : x
  2. Step 2: Convert to fraction form
    7,937.27/11,911.39 = 2,743.15/x
  3. Step 3: Cross multiply
    7,937.27x = 11,911.39 × 2,743.15
  4. Step 4: Simplify right side
    7,937.27x = 32,674,729.48
  5. Step 5: Solve for x
    x = 32,674,729.48/7,937.27
  6. Step 6: Final answer
    x = 4,116.62

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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.