Home / 5,299.97-7,949.68-1,789.72

Finding the Fourth Proportional to 5,299.97, 7,949.68 and 1,789.72

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Solution

The fourth proportional to 5,299.97, 7,949.68 and 1,789.72 is: 2,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.97 : 7,949.68 = 1,789.72 : x
  2. Step 2: Convert to fraction form
    5,299.97/7,949.68 = 1,789.72/x
  3. Step 3: Cross multiply
    5,299.97x = 7,949.68 × 1,789.72
  4. Step 4: Simplify right side
    5,299.97x = 14,227,676.94
  5. Step 5: Solve for x
    x = 14,227,676.94/5,299.97
  6. Step 6: Final answer
    x = 2,684.49

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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.