Home / 5,540.21-8,311.56-2,030.18

Finding the Fourth Proportional to 5,540.21, 8,311.56 and 2,030.18

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Solution

The fourth proportional to 5,540.21, 8,311.56 and 2,030.18 is: 3,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.21 : 8,311.56 = 2,030.18 : x
  2. Step 2: Convert to fraction form
    5,540.21/8,311.56 = 2,030.18/x
  3. Step 3: Cross multiply
    5,540.21x = 8,311.56 × 2,030.18
  4. Step 4: Simplify right side
    5,540.21x = 16,873,971.88
  5. Step 5: Solve for x
    x = 16,873,971.88/5,540.21
  6. Step 6: Final answer
    x = 3,045.73

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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.