Home / 7,231.80-10,847.70-2,613.72

Finding the Fourth Proportional to 7,231.80, 10,847.70 and 2,613.72

Calculator

Solution

The fourth proportional to 7,231.80, 10,847.70 and 2,613.72 is: 3,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.80 : 10,847.70 = 2,613.72 : x
  2. Step 2: Convert to fraction form
    7,231.80/10,847.70 = 2,613.72/x
  3. Step 3: Cross multiply
    7,231.80x = 10,847.70 × 2,613.72
  4. Step 4: Simplify right side
    7,231.80x = 28,352,850.44
  5. Step 5: Solve for x
    x = 28,352,850.44/7,231.80
  6. Step 6: Final answer
    x = 3,920.58

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.