Home / 7,778.93-11,659.16-4,485.22

Finding the Fourth Proportional to 7,778.93, 11,659.16 and 4,485.22

Calculator

Solution

The fourth proportional to 7,778.93, 11,659.16 and 4,485.22 is: 6,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.93 : 11,659.16 = 4,485.22 : x
  2. Step 2: Convert to fraction form
    7,778.93/11,659.16 = 4,485.22/x
  3. Step 3: Cross multiply
    7,778.93x = 11,659.16 × 4,485.22
  4. Step 4: Simplify right side
    7,778.93x = 52,293,879.68
  5. Step 5: Solve for x
    x = 52,293,879.68/7,778.93
  6. Step 6: Final answer
    x = 6,722.51

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.