Home / 5,884.88-8,121.54-3,891.98

Finding the Fourth Proportional to 5,884.88, 8,121.54 and 3,891.98

Calculator

Solution

The fourth proportional to 5,884.88, 8,121.54 and 3,891.98 is: 5,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.88 : 8,121.54 = 3,891.98 : x
  2. Step 2: Convert to fraction form
    5,884.88/8,121.54 = 3,891.98/x
  3. Step 3: Cross multiply
    5,884.88x = 8,121.54 × 3,891.98
  4. Step 4: Simplify right side
    5,884.88x = 31,608,871.25
  5. Step 5: Solve for x
    x = 31,608,871.25/5,884.88
  6. Step 6: Final answer
    x = 5,371.20

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.