Home / 5,299.56-7,949.41-1,601.78

Finding the Fourth Proportional to 5,299.56, 7,949.41 and 1,601.78

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Solution

The fourth proportional to 5,299.56, 7,949.41 and 1,601.78 is: 2,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.56 : 7,949.41 = 1,601.78 : x
  2. Step 2: Convert to fraction form
    5,299.56/7,949.41 = 1,601.78/x
  3. Step 3: Cross multiply
    5,299.56x = 7,949.41 × 1,601.78
  4. Step 4: Simplify right side
    5,299.56x = 12,733,162.20
  5. Step 5: Solve for x
    x = 12,733,162.20/5,299.56
  6. Step 6: Final answer
    x = 2,402.68

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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.