Home / 5,825.45-8,039.12-3,172.83

Finding the Fourth Proportional to 5,825.45, 8,039.12 and 3,172.83

Calculator

Solution

The fourth proportional to 5,825.45, 8,039.12 and 3,172.83 is: 4,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.45 : 8,039.12 = 3,172.83 : x
  2. Step 2: Convert to fraction form
    5,825.45/8,039.12 = 3,172.83/x
  3. Step 3: Cross multiply
    5,825.45x = 8,039.12 × 3,172.83
  4. Step 4: Simplify right side
    5,825.45x = 25,506,745.25
  5. Step 5: Solve for x
    x = 25,506,745.25/5,825.45
  6. Step 6: Final answer
    x = 4,378.51

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.