Home / 7.73-10.66-6

Finding the Fourth Proportional to 7.73, 10.66 and 6

Calculator

Solution

The fourth proportional to 7.73, 10.66 and 6 is: 8.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.73 : 10.66 = 6 : x
  2. Step 2: Convert to fraction form
    7.73/10.66 = 6/x
  3. Step 3: Cross multiply
    7.73x = 10.66 × 6
  4. Step 4: Simplify right side
    7.73x = 63.96
  5. Step 5: Solve for x
    x = 63.96/7.73
  6. Step 6: Final answer
    x = 8.27

Related Problems

Find fourth proportional to 3.87, 5.33 and 3
Half scale
Find fourth proportional to 15.46, 21.32 and 12
Double scale
Find fourth proportional to 8.73, 12.04 and 7
Similar ratio
Find fourth proportional to 11.60, 15.99 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.