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Finding the Fourth Proportional to 5,559, 8,338.52 and 2,272.42

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Solution

The fourth proportional to 5,559, 8,338.52 and 2,272.42 is: 3,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559 : 8,338.52 = 2,272.42 : x
  2. Step 2: Convert to fraction form
    5,559/8,338.52 = 2,272.42/x
  3. Step 3: Cross multiply
    5,559x = 8,338.52 × 2,272.42
  4. Step 4: Simplify right side
    5,559x = 18,948,619.62
  5. Step 5: Solve for x
    x = 18,948,619.62/5,559
  6. Step 6: Final answer
    x = 3,408.64

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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.