Home / 6,144-9,216-2,040

Finding the Fourth Proportional to 6,144, 9,216 and 2,040

Calculator

Solution

The fourth proportional to 6,144, 9,216 and 2,040 is: 3,060

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144 : 9,216 = 2,040 : x
  2. Step 2: Convert to fraction form
    6,144/9,216 = 2,040/x
  3. Step 3: Cross multiply
    6,144x = 9,216 × 2,040
  4. Step 4: Simplify right side
    6,144x = 18,800,640
  5. Step 5: Solve for x
    x = 18,800,640/6,144
  6. Step 6: Final answer
    x = 3,060

Related Problems

Find fourth proportional to 3,072, 4,608 and 1,020
Half scale
Find fourth proportional to 12,288, 18,432 and 4,080
Double scale
Find fourth proportional to 6,145, 9,217.50 and 2,041
Similar ratio
Find fourth proportional to 9,216, 13,824 and 3,060
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.