Home / 6,811-10,216.50-2,194

Finding the Fourth Proportional to 6,811, 10,216.50 and 2,194

Calculator

Solution

The fourth proportional to 6,811, 10,216.50 and 2,194 is: 3,291

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811 : 10,216.50 = 2,194 : x
  2. Step 2: Convert to fraction form
    6,811/10,216.50 = 2,194/x
  3. Step 3: Cross multiply
    6,811x = 10,216.50 × 2,194
  4. Step 4: Simplify right side
    6,811x = 22,415,001
  5. Step 5: Solve for x
    x = 22,415,001/6,811
  6. Step 6: Final answer
    x = 3,291

Related Problems

Find fourth proportional to 3,405.50, 5,108.25 and 1,097
Half scale
Find fourth proportional to 13,622, 20,433 and 4,388
Double scale
Find fourth proportional to 6,812, 10,218 and 2,195
Similar ratio
Find fourth proportional to 10,216.50, 15,324.75 and 3,291
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.