Home / 4,932.50-7,399.79-1,645.85

Finding the Fourth Proportional to 4,932.50, 7,399.79 and 1,645.85

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Solution

The fourth proportional to 4,932.50, 7,399.79 and 1,645.85 is: 2,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.50 : 7,399.79 = 1,645.85 : x
  2. Step 2: Convert to fraction form
    4,932.50/7,399.79 = 1,645.85/x
  3. Step 3: Cross multiply
    4,932.50x = 7,399.79 × 1,645.85
  4. Step 4: Simplify right side
    4,932.50x = 12,178,944.37
  5. Step 5: Solve for x
    x = 12,178,944.37/4,932.50
  6. Step 6: Final answer
    x = 2,469.12

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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.