Home / 5,400.40-7,452.20-3,042.48

Finding the Fourth Proportional to 5,400.40, 7,452.20 and 3,042.48

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Solution

The fourth proportional to 5,400.40, 7,452.20 and 3,042.48 is: 4,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.40 : 7,452.20 = 3,042.48 : x
  2. Step 2: Convert to fraction form
    5,400.40/7,452.20 = 3,042.48/x
  3. Step 3: Cross multiply
    5,400.40x = 7,452.20 × 3,042.48
  4. Step 4: Simplify right side
    5,400.40x = 22,673,169.46
  5. Step 5: Solve for x
    x = 22,673,169.46/5,400.40
  6. Step 6: Final answer
    x = 4,198.42

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1.5x scale

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.