Home / 8,579.42-12,868.97-2,735.94

Finding the Fourth Proportional to 8,579.42, 12,868.97 and 2,735.94

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Solution

The fourth proportional to 8,579.42, 12,868.97 and 2,735.94 is: 4,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.42 : 12,868.97 = 2,735.94 : x
  2. Step 2: Convert to fraction form
    8,579.42/12,868.97 = 2,735.94/x
  3. Step 3: Cross multiply
    8,579.42x = 12,868.97 × 2,735.94
  4. Step 4: Simplify right side
    8,579.42x = 35,208,716.10
  5. Step 5: Solve for x
    x = 35,208,716.10/8,579.42
  6. Step 6: Final answer
    x = 4,103.86

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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.