Home / 4.54-6.28-4

Finding the Fourth Proportional to 4.54, 6.28 and 4

Calculator

Solution

The fourth proportional to 4.54, 6.28 and 4 is: 5.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.54 : 6.28 = 4 : x
  2. Step 2: Convert to fraction form
    4.54/6.28 = 4/x
  3. Step 3: Cross multiply
    4.54x = 6.28 × 4
  4. Step 4: Simplify right side
    4.54x = 25.12
  5. Step 5: Solve for x
    x = 25.12/4.54
  6. Step 6: Final answer
    x = 5.53

Related Problems

Find fourth proportional to 2.27, 3.14 and 2
Half scale
Find fourth proportional to 9.08, 12.56 and 8
Double scale
Find fourth proportional to 5.54, 7.66 and 5
Similar ratio
Find fourth proportional to 6.81, 9.42 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.