Home / 7,425.06-11,138.82-2,745.09

Finding the Fourth Proportional to 7,425.06, 11,138.82 and 2,745.09

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Solution

The fourth proportional to 7,425.06, 11,138.82 and 2,745.09 is: 4,118.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.06 : 11,138.82 = 2,745.09 : x
  2. Step 2: Convert to fraction form
    7,425.06/11,138.82 = 2,745.09/x
  3. Step 3: Cross multiply
    7,425.06x = 11,138.82 × 2,745.09
  4. Step 4: Simplify right side
    7,425.06x = 30,577,063.39
  5. Step 5: Solve for x
    x = 30,577,063.39/7,425.06
  6. Step 6: Final answer
    x = 4,118.09

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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.