Home / 7,438.18-11,150.38-2,755.58

Finding the Fourth Proportional to 7,438.18, 11,150.38 and 2,755.58

Calculator

Solution

The fourth proportional to 7,438.18, 11,150.38 and 2,755.58 is: 4,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.18 : 11,150.38 = 2,755.58 : x
  2. Step 2: Convert to fraction form
    7,438.18/11,150.38 = 2,755.58/x
  3. Step 3: Cross multiply
    7,438.18x = 11,150.38 × 2,755.58
  4. Step 4: Simplify right side
    7,438.18x = 30,725,764.12
  5. Step 5: Solve for x
    x = 30,725,764.12/7,438.18
  6. Step 6: Final answer
    x = 4,130.82

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.