Home / 3,921-5,496

Finding the Third Proportional to 3,921 and 5,496

Calculator

Solution

The third proportional to 3,921 and 5,496 is: 7,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921 : 5,496 = 5,496 : x
  2. Step 2: Convert to fraction form
    3,921/5,496 = 5,496/x
  3. Step 3: Cross multiply
    3,921x = 5,496 × 5,496
  4. Step 4: Simplify right side
    3,921x = 30,206,016
  5. Step 5: Solve for x
    x = 30,206,016/3,921
  6. Step 6: Final answer
    x = 7,703.65

Related Problems

Find third proportional to 1,960.50 and 2,748
Half scale
Find third proportional to 7,842 and 10,992
Double scale
Find third proportional to 3,923 and 5,499
Similar ratio
Find third proportional to 5,881.50 and 8,244
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.