Home / 7,385.28-11,077.11-2,190.75

Finding the Fourth Proportional to 7,385.28, 11,077.11 and 2,190.75

Calculator

Solution

The fourth proportional to 7,385.28, 11,077.11 and 2,190.75 is: 3,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.28 : 11,077.11 = 2,190.75 : x
  2. Step 2: Convert to fraction form
    7,385.28/11,077.11 = 2,190.75/x
  3. Step 3: Cross multiply
    7,385.28x = 11,077.11 × 2,190.75
  4. Step 4: Simplify right side
    7,385.28x = 24,267,178.73
  5. Step 5: Solve for x
    x = 24,267,178.73/7,385.28
  6. Step 6: Final answer
    x = 3,285.88

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.