Home / 6,131.24-8,440.36-5,539.92

Finding the Fourth Proportional to 6,131.24, 8,440.36 and 5,539.92

Calculator

Solution

The fourth proportional to 6,131.24, 8,440.36 and 5,539.92 is: 7,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.24 : 8,440.36 = 5,539.92 : x
  2. Step 2: Convert to fraction form
    6,131.24/8,440.36 = 5,539.92/x
  3. Step 3: Cross multiply
    6,131.24x = 8,440.36 × 5,539.92
  4. Step 4: Simplify right side
    6,131.24x = 46,758,919.17
  5. Step 5: Solve for x
    x = 46,758,919.17/6,131.24
  6. Step 6: Final answer
    x = 7,626.34

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.