Home / 8,220-12,330-2,064

Finding the Fourth Proportional to 8,220, 12,330 and 2,064

Calculator

Solution

The fourth proportional to 8,220, 12,330 and 2,064 is: 3,096

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220 : 12,330 = 2,064 : x
  2. Step 2: Convert to fraction form
    8,220/12,330 = 2,064/x
  3. Step 3: Cross multiply
    8,220x = 12,330 × 2,064
  4. Step 4: Simplify right side
    8,220x = 25,449,120
  5. Step 5: Solve for x
    x = 25,449,120/8,220
  6. Step 6: Final answer
    x = 3,096

Related Problems

Find fourth proportional to 4,110, 6,165 and 1,032
Half scale
Find fourth proportional to 16,440, 24,660 and 4,128
Double scale
Find fourth proportional to 8,221, 12,331.50 and 2,065
Similar ratio
Find fourth proportional to 12,330, 18,495 and 3,096
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.