Home / 5,540.44-8,313.18-3,990.52

Finding the Fourth Proportional to 5,540.44, 8,313.18 and 3,990.52

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Solution

The fourth proportional to 5,540.44, 8,313.18 and 3,990.52 is: 5,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.44 : 8,313.18 = 3,990.52 : x
  2. Step 2: Convert to fraction form
    5,540.44/8,313.18 = 3,990.52/x
  3. Step 3: Cross multiply
    5,540.44x = 8,313.18 × 3,990.52
  4. Step 4: Simplify right side
    5,540.44x = 33,173,911.05
  5. Step 5: Solve for x
    x = 33,173,911.05/5,540.44
  6. Step 6: Final answer
    x = 5,987.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.