Home / 5,561.73-8,338.68-2,786.43

Finding the Fourth Proportional to 5,561.73, 8,338.68 and 2,786.43

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Solution

The fourth proportional to 5,561.73, 8,338.68 and 2,786.43 is: 4,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.73 : 8,338.68 = 2,786.43 : x
  2. Step 2: Convert to fraction form
    5,561.73/8,338.68 = 2,786.43/x
  3. Step 3: Cross multiply
    5,561.73x = 8,338.68 × 2,786.43
  4. Step 4: Simplify right side
    5,561.73x = 23,235,148.11
  5. Step 5: Solve for x
    x = 23,235,148.11/5,561.73
  6. Step 6: Final answer
    x = 4,177.68

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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.