Home / 4,418-6,389.50

Finding the Third Proportional to 4,418 and 6,389.50

Calculator

Solution

The third proportional to 4,418 and 6,389.50 is: 9,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418 : 6,389.50 = 6,389.50 : x
  2. Step 2: Convert to fraction form
    4,418/6,389.50 = 6,389.50/x
  3. Step 3: Cross multiply
    4,418x = 6,389.50 × 6,389.50
  4. Step 4: Simplify right side
    4,418x = 40,825,710.25
  5. Step 5: Solve for x
    x = 40,825,710.25/4,418
  6. Step 6: Final answer
    x = 9,240.77

Related Problems

Find third proportional to 2,209 and 3,194.75
Half scale
Find third proportional to 8,836 and 12,779
Double scale
Find third proportional to 4,420 and 6,392
Similar ratio
Find third proportional to 6,627 and 9,584.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.