Home / 9,151.93-13,728.76-2,578.11

Finding the Fourth Proportional to 9,151.93, 13,728.76 and 2,578.11

Calculator

Solution

The fourth proportional to 9,151.93, 13,728.76 and 2,578.11 is: 3,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.93 : 13,728.76 = 2,578.11 : x
  2. Step 2: Convert to fraction form
    9,151.93/13,728.76 = 2,578.11/x
  3. Step 3: Cross multiply
    9,151.93x = 13,728.76 × 2,578.11
  4. Step 4: Simplify right side
    9,151.93x = 35,394,195.52
  5. Step 5: Solve for x
    x = 35,394,195.52/9,151.93
  6. Step 6: Final answer
    x = 3,867.40

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.