Home / 4,004-8,684

Finding the Third Proportional to 4,004 and 8,684

Calculator

Solution

The third proportional to 4,004 and 8,684 is: 18,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,004 : 8,684 = 8,684 : x
  2. Step 2: Convert to fraction form
    4,004/8,684 = 8,684/x
  3. Step 3: Cross multiply
    4,004x = 8,684 × 8,684
  4. Step 4: Simplify right side
    4,004x = 75,411,856
  5. Step 5: Solve for x
    x = 75,411,856/4,004
  6. Step 6: Final answer
    x = 18,834.13

Related Problems

Find third proportional to 2,002 and 4,342
Half scale
Find third proportional to 8,008 and 17,368
Double scale
Find third proportional to 4,006 and 8,688
Similar ratio
Find third proportional to 6,006 and 13,026
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.