Home / 8,134.18-12,195.84-2,939.38

Finding the Fourth Proportional to 8,134.18, 12,195.84 and 2,939.38

Calculator

Solution

The fourth proportional to 8,134.18, 12,195.84 and 2,939.38 is: 4,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.18 : 12,195.84 = 2,939.38 : x
  2. Step 2: Convert to fraction form
    8,134.18/12,195.84 = 2,939.38/x
  3. Step 3: Cross multiply
    8,134.18x = 12,195.84 × 2,939.38
  4. Step 4: Simplify right side
    8,134.18x = 35,848,208.18
  5. Step 5: Solve for x
    x = 35,848,208.18/8,134.18
  6. Step 6: Final answer
    x = 4,407.11

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.