Home / 6.18-8.50-6

Finding the Fourth Proportional to 6.18, 8.50 and 6

Calculator

Solution

The fourth proportional to 6.18, 8.50 and 6 is: 8.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.18 : 8.50 = 6 : x
  2. Step 2: Convert to fraction form
    6.18/8.50 = 6/x
  3. Step 3: Cross multiply
    6.18x = 8.50 × 6
  4. Step 4: Simplify right side
    6.18x = 51
  5. Step 5: Solve for x
    x = 51/6.18
  6. Step 6: Final answer
    x = 8.25

Related Problems

Find fourth proportional to 3.09, 4.25 and 3
Half scale
Find fourth proportional to 12.36, 17 and 12
Double scale
Find fourth proportional to 7.18, 9.88 and 7
Similar ratio
Find fourth proportional to 9.27, 12.75 and 9
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.