Home / 5,540.44-7,645.46-3,180.92

Finding the Fourth Proportional to 5,540.44, 7,645.46 and 3,180.92

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Solution

The fourth proportional to 5,540.44, 7,645.46 and 3,180.92 is: 4,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.44 : 7,645.46 = 3,180.92 : x
  2. Step 2: Convert to fraction form
    5,540.44/7,645.46 = 3,180.92/x
  3. Step 3: Cross multiply
    5,540.44x = 7,645.46 × 3,180.92
  4. Step 4: Simplify right side
    5,540.44x = 24,319,596.62
  5. Step 5: Solve for x
    x = 24,319,596.62/5,540.44
  6. Step 6: Final answer
    x = 4,389.47

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Half scale
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Double scale
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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.