Home / 4,455-5,355

Finding the Third Proportional to 4,455 and 5,355

Calculator

Solution

The third proportional to 4,455 and 5,355 is: 6,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455 : 5,355 = 5,355 : x
  2. Step 2: Convert to fraction form
    4,455/5,355 = 5,355/x
  3. Step 3: Cross multiply
    4,455x = 5,355 × 5,355
  4. Step 4: Simplify right side
    4,455x = 28,676,025
  5. Step 5: Solve for x
    x = 28,676,025/4,455
  6. Step 6: Final answer
    x = 6,436.82

Related Problems

Find third proportional to 2,227.50 and 2,677.50
Half scale
Find third proportional to 8,910 and 10,710
Double scale
Find third proportional to 4,457 and 5,357
Similar ratio
Find third proportional to 6,682.50 and 8,032.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.