Home / 5,152.96-7,729.92-2,231.68

Finding the Fourth Proportional to 5,152.96, 7,729.92 and 2,231.68

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Solution

The fourth proportional to 5,152.96, 7,729.92 and 2,231.68 is: 3,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.96 : 7,729.92 = 2,231.68 : x
  2. Step 2: Convert to fraction form
    5,152.96/7,729.92 = 2,231.68/x
  3. Step 3: Cross multiply
    5,152.96x = 7,729.92 × 2,231.68
  4. Step 4: Simplify right side
    5,152.96x = 17,250,707.87
  5. Step 5: Solve for x
    x = 17,250,707.87/5,152.96
  6. Step 6: Final answer
    x = 3,347.73

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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.