Home / 4.04-6-3.92

Finding the Fourth Proportional to 4.04, 6 and 3.92

Calculator

Solution

The fourth proportional to 4.04, 6 and 3.92 is: 5.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.04 : 6 = 3.92 : x
  2. Step 2: Convert to fraction form
    4.04/6 = 3.92/x
  3. Step 3: Cross multiply
    4.04x = 6 × 3.92
  4. Step 4: Simplify right side
    4.04x = 23.49
  5. Step 5: Solve for x
    x = 23.49/4.04
  6. Step 6: Final answer
    x = 5.82

Related Problems

Find fourth proportional to 2.02, 3 and 1.96
Half scale
Find fourth proportional to 8.07, 12 and 7.83
Double scale
Find fourth proportional to 5.04, 7.49 and 4.92
Similar ratio
Find fourth proportional to 6.05, 9 and 5.87
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.