Home / 6.71-10.07-4

Finding the Fourth Proportional to 6.71, 10.07 and 4

Calculator

Solution

The fourth proportional to 6.71, 10.07 and 4 is: 6

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.71 : 10.07 = 4 : x
  2. Step 2: Convert to fraction form
    6.71/10.07 = 4/x
  3. Step 3: Cross multiply
    6.71x = 10.07 × 4
  4. Step 4: Simplify right side
    6.71x = 40.26
  5. Step 5: Solve for x
    x = 40.26/6.71
  6. Step 6: Final answer
    x = 6

Related Problems

Find fourth proportional to 3.36, 5.03 and 2
Half scale
Find fourth proportional to 13.42, 20.13 and 8
Double scale
Find fourth proportional to 7.71, 11.57 and 5
Similar ratio
Find fourth proportional to 10.07, 15.10 and 6
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.