Home / 6.77-10.10-6

Finding the Fourth Proportional to 6.77, 10.10 and 6

Calculator

Solution

The fourth proportional to 6.77, 10.10 and 6 is: 8.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.77 : 10.10 = 6 : x
  2. Step 2: Convert to fraction form
    6.77/10.10 = 6/x
  3. Step 3: Cross multiply
    6.77x = 10.10 × 6
  4. Step 4: Simplify right side
    6.77x = 60.57
  5. Step 5: Solve for x
    x = 60.57/6.77
  6. Step 6: Final answer
    x = 8.95

Related Problems

Find fourth proportional to 3.38, 5.05 and 3
Half scale
Find fourth proportional to 13.53, 20.19 and 12
Double scale
Find fourth proportional to 7.77, 11.59 and 7
Similar ratio
Find fourth proportional to 10.15, 15.14 and 9
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.