Home / 4,078.12-5,642.62-3,555.24

Finding the Fourth Proportional to 4,078.12, 5,642.62 and 3,555.24

Calculator

Solution

The fourth proportional to 4,078.12, 5,642.62 and 3,555.24 is: 4,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.12 : 5,642.62 = 3,555.24 : x
  2. Step 2: Convert to fraction form
    4,078.12/5,642.62 = 3,555.24/x
  3. Step 3: Cross multiply
    4,078.12x = 5,642.62 × 3,555.24
  4. Step 4: Simplify right side
    4,078.12x = 20,060,868.33
  5. Step 5: Solve for x
    x = 20,060,868.33/4,078.12
  6. Step 6: Final answer
    x = 4,919.15

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.