Home / 8,319.58-12,474.68-3,383.44

Finding the Fourth Proportional to 8,319.58, 12,474.68 and 3,383.44

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Solution

The fourth proportional to 8,319.58, 12,474.68 and 3,383.44 is: 5,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.58 : 12,474.68 = 3,383.44 : x
  2. Step 2: Convert to fraction form
    8,319.58/12,474.68 = 3,383.44/x
  3. Step 3: Cross multiply
    8,319.58x = 12,474.68 × 3,383.44
  4. Step 4: Simplify right side
    8,319.58x = 42,207,283.20
  5. Step 5: Solve for x
    x = 42,207,283.20/8,319.58
  6. Step 6: Final answer
    x = 5,073.25

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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.