Home / 5,307.12-7,960.68-2,711.88

Finding the Fourth Proportional to 5,307.12, 7,960.68 and 2,711.88

Calculator

Solution

The fourth proportional to 5,307.12, 7,960.68 and 2,711.88 is: 4,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.12 : 7,960.68 = 2,711.88 : x
  2. Step 2: Convert to fraction form
    5,307.12/7,960.68 = 2,711.88/x
  3. Step 3: Cross multiply
    5,307.12x = 7,960.68 × 2,711.88
  4. Step 4: Simplify right side
    5,307.12x = 21,588,408.88
  5. Step 5: Solve for x
    x = 21,588,408.88/5,307.12
  6. Step 6: Final answer
    x = 4,067.82

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.