Home / 8,936.28-12,330.27-5,399.69

Finding the Fourth Proportional to 8,936.28, 12,330.27 and 5,399.69

Calculator

Solution

The fourth proportional to 8,936.28, 12,330.27 and 5,399.69 is: 7,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.28 : 12,330.27 = 5,399.69 : x
  2. Step 2: Convert to fraction form
    8,936.28/12,330.27 = 5,399.69/x
  3. Step 3: Cross multiply
    8,936.28x = 12,330.27 × 5,399.69
  4. Step 4: Simplify right side
    8,936.28x = 66,579,573.96
  5. Step 5: Solve for x
    x = 66,579,573.96/8,936.28
  6. Step 6: Final answer
    x = 7,450.48

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.