Home / 7,284-10,926-1,812

Finding the Fourth Proportional to 7,284, 10,926 and 1,812

Calculator

Solution

The fourth proportional to 7,284, 10,926 and 1,812 is: 2,718

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284 : 10,926 = 1,812 : x
  2. Step 2: Convert to fraction form
    7,284/10,926 = 1,812/x
  3. Step 3: Cross multiply
    7,284x = 10,926 × 1,812
  4. Step 4: Simplify right side
    7,284x = 19,797,912
  5. Step 5: Solve for x
    x = 19,797,912/7,284
  6. Step 6: Final answer
    x = 2,718

Related Problems

Find fourth proportional to 3,642, 5,463 and 906
Half scale
Find fourth proportional to 14,568, 21,852 and 3,624
Double scale
Find fourth proportional to 7,285, 10,927.50 and 1,813
Similar ratio
Find fourth proportional to 10,926, 16,389 and 2,718
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.