Home / 7,581.42-11,375.43-2,654.58

Finding the Fourth Proportional to 7,581.42, 11,375.43 and 2,654.58

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Solution

The fourth proportional to 7,581.42, 11,375.43 and 2,654.58 is: 3,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.42 : 11,375.43 = 2,654.58 : x
  2. Step 2: Convert to fraction form
    7,581.42/11,375.43 = 2,654.58/x
  3. Step 3: Cross multiply
    7,581.42x = 11,375.43 × 2,654.58
  4. Step 4: Simplify right side
    7,581.42x = 30,196,988.97
  5. Step 5: Solve for x
    x = 30,196,988.97/7,581.42
  6. Step 6: Final answer
    x = 3,983.03

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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.