Home / 5,675-7,831.50-3,319.12

Finding the Fourth Proportional to 5,675, 7,831.50 and 3,319.12

Calculator

Solution

The fourth proportional to 5,675, 7,831.50 and 3,319.12 is: 4,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675 : 7,831.50 = 3,319.12 : x
  2. Step 2: Convert to fraction form
    5,675/7,831.50 = 3,319.12/x
  3. Step 3: Cross multiply
    5,675x = 7,831.50 × 3,319.12
  4. Step 4: Simplify right side
    5,675x = 25,993,688.28
  5. Step 5: Solve for x
    x = 25,993,688.28/5,675
  6. Step 6: Final answer
    x = 4,580.39

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.