Home / 4,090-8,368

Finding the Third Proportional to 4,090 and 8,368

Calculator

Solution

The third proportional to 4,090 and 8,368 is: 17,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090 : 8,368 = 8,368 : x
  2. Step 2: Convert to fraction form
    4,090/8,368 = 8,368/x
  3. Step 3: Cross multiply
    4,090x = 8,368 × 8,368
  4. Step 4: Simplify right side
    4,090x = 70,023,424
  5. Step 5: Solve for x
    x = 70,023,424/4,090
  6. Step 6: Final answer
    x = 17,120.64

Related Problems

Find third proportional to 2,045 and 4,184
Half scale
Find third proportional to 8,180 and 16,736
Double scale
Find third proportional to 4,092 and 8,372
Similar ratio
Find third proportional to 6,135 and 12,552
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.