Home / 8,819.99-13,226.78-2,578.36

Finding the Fourth Proportional to 8,819.99, 13,226.78 and 2,578.36

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Solution

The fourth proportional to 8,819.99, 13,226.78 and 2,578.36 is: 3,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.99 : 13,226.78 = 2,578.36 : x
  2. Step 2: Convert to fraction form
    8,819.99/13,226.78 = 2,578.36/x
  3. Step 3: Cross multiply
    8,819.99x = 13,226.78 × 2,578.36
  4. Step 4: Simplify right side
    8,819.99x = 34,103,400.48
  5. Step 5: Solve for x
    x = 34,103,400.48/8,819.99
  6. Step 6: Final answer
    x = 3,866.60

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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.