Home / 6,745.96-9,309.40-3,761.72

Finding the Fourth Proportional to 6,745.96, 9,309.40 and 3,761.72

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Solution

The fourth proportional to 6,745.96, 9,309.40 and 3,761.72 is: 5,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.96 : 9,309.40 = 3,761.72 : x
  2. Step 2: Convert to fraction form
    6,745.96/9,309.40 = 3,761.72/x
  3. Step 3: Cross multiply
    6,745.96x = 9,309.40 × 3,761.72
  4. Step 4: Simplify right side
    6,745.96x = 35,019,300.22
  5. Step 5: Solve for x
    x = 35,019,300.22/6,745.96
  6. Step 6: Final answer
    x = 5,191.15

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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.