Home / 7,816.26-10,769.85-6,864.78

Finding the Fourth Proportional to 7,816.26, 10,769.85 and 6,864.78

Calculator

Solution

The fourth proportional to 7,816.26, 10,769.85 and 6,864.78 is: 9,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.26 : 10,769.85 = 6,864.78 : x
  2. Step 2: Convert to fraction form
    7,816.26/10,769.85 = 6,864.78/x
  3. Step 3: Cross multiply
    7,816.26x = 10,769.85 × 6,864.78
  4. Step 4: Simplify right side
    7,816.26x = 73,932,650.88
  5. Step 5: Solve for x
    x = 73,932,650.88/7,816.26
  6. Step 6: Final answer
    x = 9,458.83

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.