Home / 5,191.08-7,787.79-2,727.06

Finding the Fourth Proportional to 5,191.08, 7,787.79 and 2,727.06

Calculator

Solution

The fourth proportional to 5,191.08, 7,787.79 and 2,727.06 is: 4,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.08 : 7,787.79 = 2,727.06 : x
  2. Step 2: Convert to fraction form
    5,191.08/7,787.79 = 2,727.06/x
  3. Step 3: Cross multiply
    5,191.08x = 7,787.79 × 2,727.06
  4. Step 4: Simplify right side
    5,191.08x = 21,237,770.60
  5. Step 5: Solve for x
    x = 21,237,770.60/5,191.08
  6. Step 6: Final answer
    x = 4,091.20

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.