Home / 6,643.15-9,965.94-2,747.86

Finding the Fourth Proportional to 6,643.15, 9,965.94 and 2,747.86

Calculator

Solution

The fourth proportional to 6,643.15, 9,965.94 and 2,747.86 is: 4,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.15 : 9,965.94 = 2,747.86 : x
  2. Step 2: Convert to fraction form
    6,643.15/9,965.94 = 2,747.86/x
  3. Step 3: Cross multiply
    6,643.15x = 9,965.94 × 2,747.86
  4. Step 4: Simplify right side
    6,643.15x = 27,384,972.67
  5. Step 5: Solve for x
    x = 27,384,972.67/6,643.15
  6. Step 6: Final answer
    x = 4,122.29

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.