Home / 6.21-9.33-4.80

Finding the Fourth Proportional to 6.21, 9.33 and 4.80

Calculator

Solution

The fourth proportional to 6.21, 9.33 and 4.80 is: 7.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.21 : 9.33 = 4.80 : x
  2. Step 2: Convert to fraction form
    6.21/9.33 = 4.80/x
  3. Step 3: Cross multiply
    6.21x = 9.33 × 4.80
  4. Step 4: Simplify right side
    6.21x = 44.78
  5. Step 5: Solve for x
    x = 44.78/6.21
  6. Step 6: Final answer
    x = 7.21

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.