Home / 8,081.30-12,113.85-3,402.44

Finding the Fourth Proportional to 8,081.30, 12,113.85 and 3,402.44

Calculator

Solution

The fourth proportional to 8,081.30, 12,113.85 and 3,402.44 is: 5,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.30 : 12,113.85 = 3,402.44 : x
  2. Step 2: Convert to fraction form
    8,081.30/12,113.85 = 3,402.44/x
  3. Step 3: Cross multiply
    8,081.30x = 12,113.85 × 3,402.44
  4. Step 4: Simplify right side
    8,081.30x = 41,216,645.41
  5. Step 5: Solve for x
    x = 41,216,645.41/8,081.30
  6. Step 6: Final answer
    x = 5,100.25

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.