Home / 6,813-10,219.50-2,196

Finding the Fourth Proportional to 6,813, 10,219.50 and 2,196

Calculator

Solution

The fourth proportional to 6,813, 10,219.50 and 2,196 is: 3,294

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813 : 10,219.50 = 2,196 : x
  2. Step 2: Convert to fraction form
    6,813/10,219.50 = 2,196/x
  3. Step 3: Cross multiply
    6,813x = 10,219.50 × 2,196
  4. Step 4: Simplify right side
    6,813x = 22,442,022
  5. Step 5: Solve for x
    x = 22,442,022/6,813
  6. Step 6: Final answer
    x = 3,294

Related Problems

Find fourth proportional to 3,406.50, 5,109.75 and 1,098
Half scale
Find fourth proportional to 13,626, 20,439 and 4,392
Double scale
Find fourth proportional to 6,814, 10,221 and 2,197
Similar ratio
Find fourth proportional to 10,219.50, 15,329.25 and 3,294
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.