Home / 8,819.82-13,231.53-2,976.30

Finding the Fourth Proportional to 8,819.82, 13,231.53 and 2,976.30

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Solution

The fourth proportional to 8,819.82, 13,231.53 and 2,976.30 is: 4,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.82 : 13,231.53 = 2,976.30 : x
  2. Step 2: Convert to fraction form
    8,819.82/13,231.53 = 2,976.30/x
  3. Step 3: Cross multiply
    8,819.82x = 13,231.53 × 2,976.30
  4. Step 4: Simplify right side
    8,819.82x = 39,381,002.74
  5. Step 5: Solve for x
    x = 39,381,002.74/8,819.82
  6. Step 6: Final answer
    x = 4,465.06

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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.