Home / 5,491.62-7,578.98-3,134.12

Finding the Fourth Proportional to 5,491.62, 7,578.98 and 3,134.12

Calculator

Solution

The fourth proportional to 5,491.62, 7,578.98 and 3,134.12 is: 4,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.62 : 7,578.98 = 3,134.12 : x
  2. Step 2: Convert to fraction form
    5,491.62/7,578.98 = 3,134.12/x
  3. Step 3: Cross multiply
    5,491.62x = 7,578.98 × 3,134.12
  4. Step 4: Simplify right side
    5,491.62x = 23,753,379.23
  5. Step 5: Solve for x
    x = 23,753,379.23/5,491.62
  6. Step 6: Final answer
    x = 4,325.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.