Home / 5,819.20-8,029.92-3,429.12

Finding the Fourth Proportional to 5,819.20, 8,029.92 and 3,429.12

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Solution

The fourth proportional to 5,819.20, 8,029.92 and 3,429.12 is: 4,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.20 : 8,029.92 = 3,429.12 : x
  2. Step 2: Convert to fraction form
    5,819.20/8,029.92 = 3,429.12/x
  3. Step 3: Cross multiply
    5,819.20x = 8,029.92 × 3,429.12
  4. Step 4: Simplify right side
    5,819.20x = 27,535,559.27
  5. Step 5: Solve for x
    x = 27,535,559.27/5,819.20
  6. Step 6: Final answer
    x = 4,731.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.