Home / 6,729.66-9,286.86-3,745.45

Finding the Fourth Proportional to 6,729.66, 9,286.86 and 3,745.45

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Solution

The fourth proportional to 6,729.66, 9,286.86 and 3,745.45 is: 5,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.66 : 9,286.86 = 3,745.45 : x
  2. Step 2: Convert to fraction form
    6,729.66/9,286.86 = 3,745.45/x
  3. Step 3: Cross multiply
    6,729.66x = 9,286.86 × 3,745.45
  4. Step 4: Simplify right side
    6,729.66x = 34,783,469.79
  5. Step 5: Solve for x
    x = 34,783,469.79/6,729.66
  6. Step 6: Final answer
    x = 5,168.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.