Home / 8,819.34-13,230.24-2,579.80

Finding the Fourth Proportional to 8,819.34, 13,230.24 and 2,579.80

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Solution

The fourth proportional to 8,819.34, 13,230.24 and 2,579.80 is: 3,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.34 : 13,230.24 = 2,579.80 : x
  2. Step 2: Convert to fraction form
    8,819.34/13,230.24 = 2,579.80/x
  3. Step 3: Cross multiply
    8,819.34x = 13,230.24 × 2,579.80
  4. Step 4: Simplify right side
    8,819.34x = 34,131,373.15
  5. Step 5: Solve for x
    x = 34,131,373.15/8,819.34
  6. Step 6: Final answer
    x = 3,870.06

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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.