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Finding the Fourth Proportional to 8,799.77, 13,199.69 and 2,226.49

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Solution

The fourth proportional to 8,799.77, 13,199.69 and 2,226.49 is: 3,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.77 : 13,199.69 = 2,226.49 : x
  2. Step 2: Convert to fraction form
    8,799.77/13,199.69 = 2,226.49/x
  3. Step 3: Cross multiply
    8,799.77x = 13,199.69 × 2,226.49
  4. Step 4: Simplify right side
    8,799.77x = 29,388,950.36
  5. Step 5: Solve for x
    x = 29,388,950.36/8,799.77
  6. Step 6: Final answer
    x = 3,339.74

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Similar ratio
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1.5x scale

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.