Home / 5,442.78-8,160.50-2,519.48

Finding the Fourth Proportional to 5,442.78, 8,160.50 and 2,519.48

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Solution

The fourth proportional to 5,442.78, 8,160.50 and 2,519.48 is: 3,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.78 : 8,160.50 = 2,519.48 : x
  2. Step 2: Convert to fraction form
    5,442.78/8,160.50 = 2,519.48/x
  3. Step 3: Cross multiply
    5,442.78x = 8,160.50 × 2,519.48
  4. Step 4: Simplify right side
    5,442.78x = 20,560,216.54
  5. Step 5: Solve for x
    x = 20,560,216.54/5,442.78
  6. Step 6: Final answer
    x = 3,777.52

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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.