Home / 7,745.32-11,615.82-2,198.44

Finding the Fourth Proportional to 7,745.32, 11,615.82 and 2,198.44

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Solution

The fourth proportional to 7,745.32, 11,615.82 and 2,198.44 is: 3,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.32 : 11,615.82 = 2,198.44 : x
  2. Step 2: Convert to fraction form
    7,745.32/11,615.82 = 2,198.44/x
  3. Step 3: Cross multiply
    7,745.32x = 11,615.82 × 2,198.44
  4. Step 4: Simplify right side
    7,745.32x = 25,536,683.32
  5. Step 5: Solve for x
    x = 25,536,683.32/7,745.32
  6. Step 6: Final answer
    x = 3,297.05

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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.