Home / 7,111.41-10,668.50-2,728.53

Finding the Fourth Proportional to 7,111.41, 10,668.50 and 2,728.53

Calculator

Solution

The fourth proportional to 7,111.41, 10,668.50 and 2,728.53 is: 4,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.41 : 10,668.50 = 2,728.53 : x
  2. Step 2: Convert to fraction form
    7,111.41/10,668.50 = 2,728.53/x
  3. Step 3: Cross multiply
    7,111.41x = 10,668.50 × 2,728.53
  4. Step 4: Simplify right side
    7,111.41x = 29,109,307.56
  5. Step 5: Solve for x
    x = 29,109,307.56/7,111.41
  6. Step 6: Final answer
    x = 4,093.32

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.