Home / 6.74-10.12-6

Finding the Fourth Proportional to 6.74, 10.12 and 6

Calculator

Solution

The fourth proportional to 6.74, 10.12 and 6 is: 9.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.74 : 10.12 = 6 : x
  2. Step 2: Convert to fraction form
    6.74/10.12 = 6/x
  3. Step 3: Cross multiply
    6.74x = 10.12 × 6
  4. Step 4: Simplify right side
    6.74x = 60.72
  5. Step 5: Solve for x
    x = 60.72/6.74
  6. Step 6: Final answer
    x = 9.01

Related Problems

Find fourth proportional to 3.37, 5.06 and 3
Half scale
Find fourth proportional to 13.48, 20.24 and 12
Double scale
Find fourth proportional to 7.74, 11.62 and 7
Similar ratio
Find fourth proportional to 10.11, 15.18 and 9
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.