Home / 4,078-6,396

Finding the Third Proportional to 4,078 and 6,396

Calculator

Solution

The third proportional to 4,078 and 6,396 is: 10,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078 : 6,396 = 6,396 : x
  2. Step 2: Convert to fraction form
    4,078/6,396 = 6,396/x
  3. Step 3: Cross multiply
    4,078x = 6,396 × 6,396
  4. Step 4: Simplify right side
    4,078x = 40,908,816
  5. Step 5: Solve for x
    x = 40,908,816/4,078
  6. Step 6: Final answer
    x = 10,031.59

Related Problems

Find third proportional to 2,039 and 3,198
Half scale
Find third proportional to 8,156 and 12,792
Double scale
Find third proportional to 4,080 and 6,399
Similar ratio
Find third proportional to 6,117 and 9,594
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.