Home / 6.26-9.39-4

Finding the Fourth Proportional to 6.26, 9.39 and 4

Calculator

Solution

The fourth proportional to 6.26, 9.39 and 4 is: 6.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.26 : 9.39 = 4 : x
  2. Step 2: Convert to fraction form
    6.26/9.39 = 4/x
  3. Step 3: Cross multiply
    6.26x = 9.39 × 4
  4. Step 4: Simplify right side
    6.26x = 37.56
  5. Step 5: Solve for x
    x = 37.56/6.26
  6. Step 6: Final answer
    x = 6.00

Related Problems

Find fourth proportional to 3.13, 4.70 and 2
Half scale
Find fourth proportional to 12.52, 18.78 and 8
Double scale
Find fourth proportional to 7.26, 10.89 and 5
Similar ratio
Find fourth proportional to 9.39, 14.09 and 6
1.5x scale

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.