Home / 5,540.07-7,645.36-3,182.43

Finding the Fourth Proportional to 5,540.07, 7,645.36 and 3,182.43

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Solution

The fourth proportional to 5,540.07, 7,645.36 and 3,182.43 is: 4,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.07 : 7,645.36 = 3,182.43 : x
  2. Step 2: Convert to fraction form
    5,540.07/7,645.36 = 3,182.43/x
  3. Step 3: Cross multiply
    5,540.07x = 7,645.36 × 3,182.43
  4. Step 4: Simplify right side
    5,540.07x = 24,330,768.89
  5. Step 5: Solve for x
    x = 24,330,768.89/5,540.07
  6. Step 6: Final answer
    x = 4,391.78

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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.