Home / 8,265.45-12,396.72-3,821.79

Finding the Fourth Proportional to 8,265.45, 12,396.72 and 3,821.79

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Solution

The fourth proportional to 8,265.45, 12,396.72 and 3,821.79 is: 5,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.45 : 12,396.72 = 3,821.79 : x
  2. Step 2: Convert to fraction form
    8,265.45/12,396.72 = 3,821.79/x
  3. Step 3: Cross multiply
    8,265.45x = 12,396.72 × 3,821.79
  4. Step 4: Simplify right side
    8,265.45x = 47,377,660.53
  5. Step 5: Solve for x
    x = 47,377,660.53/8,265.45
  6. Step 6: Final answer
    x = 5,732.01

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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.