Home / 8,579.04-12,868.43-2,735.61

Finding the Fourth Proportional to 8,579.04, 12,868.43 and 2,735.61

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Solution

The fourth proportional to 8,579.04, 12,868.43 and 2,735.61 is: 4,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.04 : 12,868.43 = 2,735.61 : x
  2. Step 2: Convert to fraction form
    8,579.04/12,868.43 = 2,735.61/x
  3. Step 3: Cross multiply
    8,579.04x = 12,868.43 × 2,735.61
  4. Step 4: Simplify right side
    8,579.04x = 35,202,992.11
  5. Step 5: Solve for x
    x = 35,202,992.11/8,579.04
  6. Step 6: Final answer
    x = 4,103.37

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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.