Home / 8,819.87-13,227.73-2,578.57

Finding the Fourth Proportional to 8,819.87, 13,227.73 and 2,578.57

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Solution

The fourth proportional to 8,819.87, 13,227.73 and 2,578.57 is: 3,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.87 : 13,227.73 = 2,578.57 : x
  2. Step 2: Convert to fraction form
    8,819.87/13,227.73 = 2,578.57/x
  3. Step 3: Cross multiply
    8,819.87x = 13,227.73 × 2,578.57
  4. Step 4: Simplify right side
    8,819.87x = 34,108,588.23
  5. Step 5: Solve for x
    x = 34,108,588.23/8,819.87
  6. Step 6: Final answer
    x = 3,867.25

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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.