Home / 8,151.38-12,231.12-3,769.82

Finding the Fourth Proportional to 8,151.38, 12,231.12 and 3,769.82

Calculator

Solution

The fourth proportional to 8,151.38, 12,231.12 and 3,769.82 is: 5,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.38 : 12,231.12 = 3,769.82 : x
  2. Step 2: Convert to fraction form
    8,151.38/12,231.12 = 3,769.82/x
  3. Step 3: Cross multiply
    8,151.38x = 12,231.12 × 3,769.82
  4. Step 4: Simplify right side
    8,151.38x = 46,109,120.80
  5. Step 5: Solve for x
    x = 46,109,120.80/8,151.38
  6. Step 6: Final answer
    x = 5,656.60

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.