Home / 8,168.78-11,272.86-4,442.78

Finding the Fourth Proportional to 8,168.78, 11,272.86 and 4,442.78

Calculator

Solution

The fourth proportional to 8,168.78, 11,272.86 and 4,442.78 is: 6,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.78 : 11,272.86 = 4,442.78 : x
  2. Step 2: Convert to fraction form
    8,168.78/11,272.86 = 4,442.78/x
  3. Step 3: Cross multiply
    8,168.78x = 11,272.86 × 4,442.78
  4. Step 4: Simplify right side
    8,168.78x = 50,082,836.95
  5. Step 5: Solve for x
    x = 50,082,836.95/8,168.78
  6. Step 6: Final answer
    x = 6,131.01

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.