Home / 8,819.45-13,231.00-2,975.91

Finding the Fourth Proportional to 8,819.45, 13,231.00 and 2,975.91

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Solution

The fourth proportional to 8,819.45, 13,231.00 and 2,975.91 is: 4,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.45 : 13,231.00 = 2,975.91 : x
  2. Step 2: Convert to fraction form
    8,819.45/13,231.00 = 2,975.91/x
  3. Step 3: Cross multiply
    8,819.45x = 13,231.00 × 2,975.91
  4. Step 4: Simplify right side
    8,819.45x = 39,374,202.57
  5. Step 5: Solve for x
    x = 39,374,202.57/8,819.45
  6. Step 6: Final answer
    x = 4,464.47

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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.