Home / 4,942-7,813

Finding the Third Proportional to 4,942 and 7,813

Calculator

Solution

The third proportional to 4,942 and 7,813 is: 12,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942 : 7,813 = 7,813 : x
  2. Step 2: Convert to fraction form
    4,942/7,813 = 7,813/x
  3. Step 3: Cross multiply
    4,942x = 7,813 × 7,813
  4. Step 4: Simplify right side
    4,942x = 61,042,969
  5. Step 5: Solve for x
    x = 61,042,969/4,942
  6. Step 6: Final answer
    x = 12,351.88

Related Problems

Find third proportional to 2,471 and 3,906.50
Half scale
Find third proportional to 9,884 and 15,626
Double scale
Find third proportional to 4,944 and 7,816
Similar ratio
Find third proportional to 7,413 and 11,719.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.