Home / 4,152-8,424

Finding the Third Proportional to 4,152 and 8,424

Calculator

Solution

The third proportional to 4,152 and 8,424 is: 17,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152 : 8,424 = 8,424 : x
  2. Step 2: Convert to fraction form
    4,152/8,424 = 8,424/x
  3. Step 3: Cross multiply
    4,152x = 8,424 × 8,424
  4. Step 4: Simplify right side
    4,152x = 70,963,776
  5. Step 5: Solve for x
    x = 70,963,776/4,152
  6. Step 6: Final answer
    x = 17,091.47

Related Problems

Find third proportional to 2,076 and 4,212
Half scale
Find third proportional to 8,304 and 16,848
Double scale
Find third proportional to 4,154 and 8,428
Similar ratio
Find third proportional to 6,228 and 12,636
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.