Home / 8,105-12,158.04-3,488

Finding the Fourth Proportional to 8,105, 12,158.04 and 3,488

Calculator

Solution

The fourth proportional to 8,105, 12,158.04 and 3,488 is: 5,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105 : 12,158.04 = 3,488 : x
  2. Step 2: Convert to fraction form
    8,105/12,158.04 = 3,488/x
  3. Step 3: Cross multiply
    8,105x = 12,158.04 × 3,488
  4. Step 4: Simplify right side
    8,105x = 42,407,243.52
  5. Step 5: Solve for x
    x = 42,407,243.52/8,105
  6. Step 6: Final answer
    x = 5,232.23

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.