Home / 6,720.64-10,080.96-2,104

Finding the Fourth Proportional to 6,720.64, 10,080.96 and 2,104

Calculator

Solution

The fourth proportional to 6,720.64, 10,080.96 and 2,104 is: 3,156

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.64 : 10,080.96 = 2,104 : x
  2. Step 2: Convert to fraction form
    6,720.64/10,080.96 = 2,104/x
  3. Step 3: Cross multiply
    6,720.64x = 10,080.96 × 2,104
  4. Step 4: Simplify right side
    6,720.64x = 21,210,339.84
  5. Step 5: Solve for x
    x = 21,210,339.84/6,720.64
  6. Step 6: Final answer
    x = 3,156

Related Problems

Find fourth proportional to 3,360.32, 5,040.48 and 1,052
Half scale
Find fourth proportional to 13,441.28, 20,161.92 and 4,208
Double scale
Find fourth proportional to 6,721.64, 10,082.46 and 2,105
Similar ratio
Find fourth proportional to 10,080.96, 15,121.44 and 3,156
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.