Home / 6.54-9.77-6

Finding the Fourth Proportional to 6.54, 9.77 and 6

Calculator

Solution

The fourth proportional to 6.54, 9.77 and 6 is: 8.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.54 : 9.77 = 6 : x
  2. Step 2: Convert to fraction form
    6.54/9.77 = 6/x
  3. Step 3: Cross multiply
    6.54x = 9.77 × 6
  4. Step 4: Simplify right side
    6.54x = 58.59
  5. Step 5: Solve for x
    x = 58.59/6.54
  6. Step 6: Final answer
    x = 8.96

Related Problems

Find fourth proportional to 3.27, 4.88 and 3
Half scale
Find fourth proportional to 13.08, 19.53 and 12
Double scale
Find fourth proportional to 7.54, 11.26 and 7
Similar ratio
Find fourth proportional to 9.81, 14.65 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.