Home / 8,448-12,672-2,976

Finding the Fourth Proportional to 8,448, 12,672 and 2,976

Calculator

Solution

The fourth proportional to 8,448, 12,672 and 2,976 is: 4,464

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448 : 12,672 = 2,976 : x
  2. Step 2: Convert to fraction form
    8,448/12,672 = 2,976/x
  3. Step 3: Cross multiply
    8,448x = 12,672 × 2,976
  4. Step 4: Simplify right side
    8,448x = 37,711,872
  5. Step 5: Solve for x
    x = 37,711,872/8,448
  6. Step 6: Final answer
    x = 4,464

Related Problems

Find fourth proportional to 4,224, 6,336 and 1,488
Half scale
Find fourth proportional to 16,896, 25,344 and 5,952
Double scale
Find fourth proportional to 8,449, 12,673.50 and 2,977
Similar ratio
Find fourth proportional to 12,672, 19,008 and 4,464
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.