Home / 8,189.82-12,281.22-3,806.82

Finding the Fourth Proportional to 8,189.82, 12,281.22 and 3,806.82

Calculator

Solution

The fourth proportional to 8,189.82, 12,281.22 and 3,806.82 is: 5,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.82 : 12,281.22 = 3,806.82 : x
  2. Step 2: Convert to fraction form
    8,189.82/12,281.22 = 3,806.82/x
  3. Step 3: Cross multiply
    8,189.82x = 12,281.22 × 3,806.82
  4. Step 4: Simplify right side
    8,189.82x = 46,752,393.92
  5. Step 5: Solve for x
    x = 46,752,393.92/8,189.82
  6. Step 6: Final answer
    x = 5,708.60

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.