Home / 7,198.76-10,799.50-2,815.94

Finding the Fourth Proportional to 7,198.76, 10,799.50 and 2,815.94

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Solution

The fourth proportional to 7,198.76, 10,799.50 and 2,815.94 is: 4,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,198.76 : 10,799.50 = 2,815.94 : x
  2. Step 2: Convert to fraction form
    7,198.76/10,799.50 = 2,815.94/x
  3. Step 3: Cross multiply
    7,198.76x = 10,799.50 × 2,815.94
  4. Step 4: Simplify right side
    7,198.76x = 30,410,709.99
  5. Step 5: Solve for x
    x = 30,410,709.99/7,198.76
  6. Step 6: Final answer
    x = 4,224.44

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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.