Home / 7,982.56-11,975.76-2,436

Finding the Fourth Proportional to 7,982.56, 11,975.76 and 2,436

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Solution

The fourth proportional to 7,982.56, 11,975.76 and 2,436 is: 3,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.56 : 11,975.76 = 2,436 : x
  2. Step 2: Convert to fraction form
    7,982.56/11,975.76 = 2,436/x
  3. Step 3: Cross multiply
    7,982.56x = 11,975.76 × 2,436
  4. Step 4: Simplify right side
    7,982.56x = 29,172,951.36
  5. Step 5: Solve for x
    x = 29,172,951.36/7,982.56
  6. Step 6: Final answer
    x = 3,654.59

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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.