Home / 7,147.47-9,863.82-4,162.82

Finding the Fourth Proportional to 7,147.47, 9,863.82 and 4,162.82

Calculator

Solution

The fourth proportional to 7,147.47, 9,863.82 and 4,162.82 is: 5,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.47 : 9,863.82 = 4,162.82 : x
  2. Step 2: Convert to fraction form
    7,147.47/9,863.82 = 4,162.82/x
  3. Step 3: Cross multiply
    7,147.47x = 9,863.82 × 4,162.82
  4. Step 4: Simplify right side
    7,147.47x = 41,061,286.36
  5. Step 5: Solve for x
    x = 41,061,286.36/7,147.47
  6. Step 6: Final answer
    x = 5,744.87

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.