Home / 6,745.26-9,308.69-3,912.56

Finding the Fourth Proportional to 6,745.26, 9,308.69 and 3,912.56

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Solution

The fourth proportional to 6,745.26, 9,308.69 and 3,912.56 is: 5,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.26 : 9,308.69 = 3,912.56 : x
  2. Step 2: Convert to fraction form
    6,745.26/9,308.69 = 3,912.56/x
  3. Step 3: Cross multiply
    6,745.26x = 9,308.69 × 3,912.56
  4. Step 4: Simplify right side
    6,745.26x = 36,420,808.15
  5. Step 5: Solve for x
    x = 36,420,808.15/6,745.26
  6. Step 6: Final answer
    x = 5,399.47

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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.