Home / 7,572-11,358-2,100

Finding the Fourth Proportional to 7,572, 11,358 and 2,100

Calculator

Solution

The fourth proportional to 7,572, 11,358 and 2,100 is: 3,150

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572 : 11,358 = 2,100 : x
  2. Step 2: Convert to fraction form
    7,572/11,358 = 2,100/x
  3. Step 3: Cross multiply
    7,572x = 11,358 × 2,100
  4. Step 4: Simplify right side
    7,572x = 23,851,800
  5. Step 5: Solve for x
    x = 23,851,800/7,572
  6. Step 6: Final answer
    x = 3,150

Related Problems

Find fourth proportional to 3,786, 5,679 and 1,050
Half scale
Find fourth proportional to 15,144, 22,716 and 4,200
Double scale
Find fourth proportional to 7,573, 11,359.50 and 2,101
Similar ratio
Find fourth proportional to 11,358, 17,037 and 3,150
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.