Home / 6,480.86-8,943.60-3,686.36

Finding the Fourth Proportional to 6,480.86, 8,943.60 and 3,686.36

Calculator

Solution

The fourth proportional to 6,480.86, 8,943.60 and 3,686.36 is: 5,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.86 : 8,943.60 = 3,686.36 : x
  2. Step 2: Convert to fraction form
    6,480.86/8,943.60 = 3,686.36/x
  3. Step 3: Cross multiply
    6,480.86x = 8,943.60 × 3,686.36
  4. Step 4: Simplify right side
    6,480.86x = 32,969,329.30
  5. Step 5: Solve for x
    x = 32,969,329.30/6,480.86
  6. Step 6: Final answer
    x = 5,087.18

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.