Home / 5,122.43-7,676.55-2,926.52

Finding the Fourth Proportional to 5,122.43, 7,676.55 and 2,926.52

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Solution

The fourth proportional to 5,122.43, 7,676.55 and 2,926.52 is: 4,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.43 : 7,676.55 = 2,926.52 : x
  2. Step 2: Convert to fraction form
    5,122.43/7,676.55 = 2,926.52/x
  3. Step 3: Cross multiply
    5,122.43x = 7,676.55 × 2,926.52
  4. Step 4: Simplify right side
    5,122.43x = 22,465,577.11
  5. Step 5: Solve for x
    x = 22,465,577.11/5,122.43
  6. Step 6: Final answer
    x = 4,385.73

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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.