Home / 5,154.44-7,732.78-1,691.56

Finding the Fourth Proportional to 5,154.44, 7,732.78 and 1,691.56

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Solution

The fourth proportional to 5,154.44, 7,732.78 and 1,691.56 is: 2,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.44 : 7,732.78 = 1,691.56 : x
  2. Step 2: Convert to fraction form
    5,154.44/7,732.78 = 1,691.56/x
  3. Step 3: Cross multiply
    5,154.44x = 7,732.78 × 1,691.56
  4. Step 4: Simplify right side
    5,154.44x = 13,080,461.34
  5. Step 5: Solve for x
    x = 13,080,461.34/5,154.44
  6. Step 6: Final answer
    x = 2,537.71

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1.5x scale

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.