Home / 4,129-7,951

Finding the Third Proportional to 4,129 and 7,951

Calculator

Solution

The third proportional to 4,129 and 7,951 is: 15,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129 : 7,951 = 7,951 : x
  2. Step 2: Convert to fraction form
    4,129/7,951 = 7,951/x
  3. Step 3: Cross multiply
    4,129x = 7,951 × 7,951
  4. Step 4: Simplify right side
    4,129x = 63,218,401
  5. Step 5: Solve for x
    x = 63,218,401/4,129
  6. Step 6: Final answer
    x = 15,310.83

Related Problems

Find third proportional to 2,064.50 and 3,975.50
Half scale
Find third proportional to 8,258 and 15,902
Double scale
Find third proportional to 4,131 and 7,955
Similar ratio
Find third proportional to 6,193.50 and 11,926.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.