Home / 8.82-13.23-4.81

Finding the Fourth Proportional to 8.82, 13.23 and 4.81

Calculator

Solution

The fourth proportional to 8.82, 13.23 and 4.81 is: 7.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.82 : 13.23 = 4.81 : x
  2. Step 2: Convert to fraction form
    8.82/13.23 = 4.81/x
  3. Step 3: Cross multiply
    8.82x = 13.23 × 4.81
  4. Step 4: Simplify right side
    8.82x = 63.64
  5. Step 5: Solve for x
    x = 63.64/8.82
  6. Step 6: Final answer
    x = 7.22

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.