Home / 5,189.33-7,780.84-2,069.81

Finding the Fourth Proportional to 5,189.33, 7,780.84 and 2,069.81

Calculator

Solution

The fourth proportional to 5,189.33, 7,780.84 and 2,069.81 is: 3,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.33 : 7,780.84 = 2,069.81 : x
  2. Step 2: Convert to fraction form
    5,189.33/7,780.84 = 2,069.81/x
  3. Step 3: Cross multiply
    5,189.33x = 7,780.84 × 2,069.81
  4. Step 4: Simplify right side
    5,189.33x = 16,104,860.44
  5. Step 5: Solve for x
    x = 16,104,860.44/5,189.33
  6. Step 6: Final answer
    x = 3,103.46

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.