Home / 5,400.38-7,452.54-3,042.56

Finding the Fourth Proportional to 5,400.38, 7,452.54 and 3,042.56

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Solution

The fourth proportional to 5,400.38, 7,452.54 and 3,042.56 is: 4,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.38 : 7,452.54 = 3,042.56 : x
  2. Step 2: Convert to fraction form
    5,400.38/7,452.54 = 3,042.56/x
  3. Step 3: Cross multiply
    5,400.38x = 7,452.54 × 3,042.56
  4. Step 4: Simplify right side
    5,400.38x = 22,674,762.84
  5. Step 5: Solve for x
    x = 22,674,762.84/5,400.38
  6. Step 6: Final answer
    x = 4,198.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.