Home / 5,400.36-7,452.39-3,042.45

Finding the Fourth Proportional to 5,400.36, 7,452.39 and 3,042.45

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Solution

The fourth proportional to 5,400.36, 7,452.39 and 3,042.45 is: 4,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.36 : 7,452.39 = 3,042.45 : x
  2. Step 2: Convert to fraction form
    5,400.36/7,452.39 = 3,042.45/x
  3. Step 3: Cross multiply
    5,400.36x = 7,452.39 × 3,042.45
  4. Step 4: Simplify right side
    5,400.36x = 22,673,523.96
  5. Step 5: Solve for x
    x = 22,673,523.96/5,400.36
  6. Step 6: Final answer
    x = 4,198.52

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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.