Home / 4,090-8,316

Finding the Third Proportional to 4,090 and 8,316

Calculator

Solution

The third proportional to 4,090 and 8,316 is: 16,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090 : 8,316 = 8,316 : x
  2. Step 2: Convert to fraction form
    4,090/8,316 = 8,316/x
  3. Step 3: Cross multiply
    4,090x = 8,316 × 8,316
  4. Step 4: Simplify right side
    4,090x = 69,155,856
  5. Step 5: Solve for x
    x = 69,155,856/4,090
  6. Step 6: Final answer
    x = 16,908.52

Related Problems

Find third proportional to 2,045 and 4,158
Half scale
Find third proportional to 8,180 and 16,632
Double scale
Find third proportional to 4,092 and 8,320
Similar ratio
Find third proportional to 6,135 and 12,474
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.