Home / 7,399.22-11,098.72-1,852.54

Finding the Fourth Proportional to 7,399.22, 11,098.72 and 1,852.54

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Solution

The fourth proportional to 7,399.22, 11,098.72 and 1,852.54 is: 2,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.22 : 11,098.72 = 1,852.54 : x
  2. Step 2: Convert to fraction form
    7,399.22/11,098.72 = 1,852.54/x
  3. Step 3: Cross multiply
    7,399.22x = 11,098.72 × 1,852.54
  4. Step 4: Simplify right side
    7,399.22x = 20,560,822.75
  5. Step 5: Solve for x
    x = 20,560,822.75/7,399.22
  6. Step 6: Final answer
    x = 2,778.78

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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.