Home / 5,400.27-7,452.36-3,161.72

Finding the Fourth Proportional to 5,400.27, 7,452.36 and 3,161.72

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Solution

The fourth proportional to 5,400.27, 7,452.36 and 3,161.72 is: 4,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.27 : 7,452.36 = 3,161.72 : x
  2. Step 2: Convert to fraction form
    5,400.27/7,452.36 = 3,161.72/x
  3. Step 3: Cross multiply
    5,400.27x = 7,452.36 × 3,161.72
  4. Step 4: Simplify right side
    5,400.27x = 23,562,238.40
  5. Step 5: Solve for x
    x = 23,562,238.40/5,400.27
  6. Step 6: Final answer
    x = 4,363.16

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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.