Home / 3,191.25-4,789.88

Finding the Third Proportional to 3,191.25 and 4,789.88

Calculator

Solution

The third proportional to 3,191.25 and 4,789.88 is: 7,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.25 : 4,789.88 = 4,789.88 : x
  2. Step 2: Convert to fraction form
    3,191.25/4,789.88 = 4,789.88/x
  3. Step 3: Cross multiply
    3,191.25x = 4,789.88 × 4,789.88
  4. Step 4: Simplify right side
    3,191.25x = 22,942,902.52
  5. Step 5: Solve for x
    x = 22,942,902.52/3,191.25
  6. Step 6: Final answer
    x = 7,189.32

Related Problems

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.