Home / 9,073.36-12,520.92-5,542.48

Finding the Fourth Proportional to 9,073.36, 12,520.92 and 5,542.48

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Solution

The fourth proportional to 9,073.36, 12,520.92 and 5,542.48 is: 7,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073.36 : 12,520.92 = 5,542.48 : x
  2. Step 2: Convert to fraction form
    9,073.36/12,520.92 = 5,542.48/x
  3. Step 3: Cross multiply
    9,073.36x = 12,520.92 × 5,542.48
  4. Step 4: Simplify right side
    9,073.36x = 69,396,948.68
  5. Step 5: Solve for x
    x = 69,396,948.68/9,073.36
  6. Step 6: Final answer
    x = 7,648.43

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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.