Home / 4,380-6,553.50

Finding the Third Proportional to 4,380 and 6,553.50

Calculator

Solution

The third proportional to 4,380 and 6,553.50 is: 9,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380 : 6,553.50 = 6,553.50 : x
  2. Step 2: Convert to fraction form
    4,380/6,553.50 = 6,553.50/x
  3. Step 3: Cross multiply
    4,380x = 6,553.50 × 6,553.50
  4. Step 4: Simplify right side
    4,380x = 42,948,362.25
  5. Step 5: Solve for x
    x = 42,948,362.25/4,380
  6. Step 6: Final answer
    x = 9,805.56

Related Problems

Find third proportional to 2,190 and 3,276.75
Half scale
Find third proportional to 8,760 and 13,107
Double scale
Find third proportional to 4,382 and 6,556
Similar ratio
Find third proportional to 6,570 and 9,830.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.