Home / 4,892-7,845

Finding the Third Proportional to 4,892 and 7,845

Calculator

Solution

The third proportional to 4,892 and 7,845 is: 12,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892 : 7,845 = 7,845 : x
  2. Step 2: Convert to fraction form
    4,892/7,845 = 7,845/x
  3. Step 3: Cross multiply
    4,892x = 7,845 × 7,845
  4. Step 4: Simplify right side
    4,892x = 61,544,025
  5. Step 5: Solve for x
    x = 61,544,025/4,892
  6. Step 6: Final answer
    x = 12,580.54

Related Problems

Find third proportional to 2,446 and 3,922.50
Half scale
Find third proportional to 9,784 and 15,690
Double scale
Find third proportional to 4,894 and 7,848
Similar ratio
Find third proportional to 7,338 and 11,767.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.