Home / 5,403.20-8,104.54-2,116.90

Finding the Fourth Proportional to 5,403.20, 8,104.54 and 2,116.90

Calculator

Solution

The fourth proportional to 5,403.20, 8,104.54 and 2,116.90 is: 3,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.20 : 8,104.54 = 2,116.90 : x
  2. Step 2: Convert to fraction form
    5,403.20/8,104.54 = 2,116.90/x
  3. Step 3: Cross multiply
    5,403.20x = 8,104.54 × 2,116.90
  4. Step 4: Simplify right side
    5,403.20x = 17,156,500.73
  5. Step 5: Solve for x
    x = 17,156,500.73/5,403.20
  6. Step 6: Final answer
    x = 3,175.25

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.