Home / 4.12-5.68-4

Finding the Fourth Proportional to 4.12, 5.68 and 4

Calculator

Solution

The fourth proportional to 4.12, 5.68 and 4 is: 5.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.12 : 5.68 = 4 : x
  2. Step 2: Convert to fraction form
    4.12/5.68 = 4/x
  3. Step 3: Cross multiply
    4.12x = 5.68 × 4
  4. Step 4: Simplify right side
    4.12x = 22.72
  5. Step 5: Solve for x
    x = 22.72/4.12
  6. Step 6: Final answer
    x = 5.51

Related Problems

Find fourth proportional to 2.06, 2.84 and 2
Half scale
Find fourth proportional to 8.24, 11.36 and 8
Double scale
Find fourth proportional to 5.12, 7.06 and 5
Similar ratio
Find fourth proportional to 6.18, 8.52 and 6
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.