Home / 4,269.82-6,396.18-3,393.76

Finding the Fourth Proportional to 4,269.82, 6,396.18 and 3,393.76

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Solution

The fourth proportional to 4,269.82, 6,396.18 and 3,393.76 is: 5,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.82 : 6,396.18 = 3,393.76 : x
  2. Step 2: Convert to fraction form
    4,269.82/6,396.18 = 3,393.76/x
  3. Step 3: Cross multiply
    4,269.82x = 6,396.18 × 3,393.76
  4. Step 4: Simplify right side
    4,269.82x = 21,707,099.84
  5. Step 5: Solve for x
    x = 21,707,099.84/4,269.82
  6. Step 6: Final answer
    x = 5,083.84

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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.