Home / 7,945.96-11,919.51-2,102.50

Finding the Fourth Proportional to 7,945.96, 11,919.51 and 2,102.50

Calculator

Solution

The fourth proportional to 7,945.96, 11,919.51 and 2,102.50 is: 3,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.96 : 11,919.51 = 2,102.50 : x
  2. Step 2: Convert to fraction form
    7,945.96/11,919.51 = 2,102.50/x
  3. Step 3: Cross multiply
    7,945.96x = 11,919.51 × 2,102.50
  4. Step 4: Simplify right side
    7,945.96x = 25,060,769.78
  5. Step 5: Solve for x
    x = 25,060,769.78/7,945.96
  6. Step 6: Final answer
    x = 3,153.90

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.