Home / 7,745.06-11,617.58-2,198.46

Finding the Fourth Proportional to 7,745.06, 11,617.58 and 2,198.46

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Solution

The fourth proportional to 7,745.06, 11,617.58 and 2,198.46 is: 3,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.06 : 11,617.58 = 2,198.46 : x
  2. Step 2: Convert to fraction form
    7,745.06/11,617.58 = 2,198.46/x
  3. Step 3: Cross multiply
    7,745.06x = 11,617.58 × 2,198.46
  4. Step 4: Simplify right side
    7,745.06x = 25,540,730.37
  5. Step 5: Solve for x
    x = 25,540,730.37/7,745.06
  6. Step 6: Final answer
    x = 3,297.68

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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.