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Finding the Fourth Proportional to 5,500.98, 8,252.11 and 1,992.64

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Solution

The fourth proportional to 5,500.98, 8,252.11 and 1,992.64 is: 2,989.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.98 : 8,252.11 = 1,992.64 : x
  2. Step 2: Convert to fraction form
    5,500.98/8,252.11 = 1,992.64/x
  3. Step 3: Cross multiply
    5,500.98x = 8,252.11 × 1,992.64
  4. Step 4: Simplify right side
    5,500.98x = 16,443,466.33
  5. Step 5: Solve for x
    x = 16,443,466.33/5,500.98
  6. Step 6: Final answer
    x = 2,989.19

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1.5x scale

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.