Home / 7,943.46-11,915.76-2,100

Finding the Fourth Proportional to 7,943.46, 11,915.76 and 2,100

Calculator

Solution

The fourth proportional to 7,943.46, 11,915.76 and 2,100 is: 3,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.46 : 11,915.76 = 2,100 : x
  2. Step 2: Convert to fraction form
    7,943.46/11,915.76 = 2,100/x
  3. Step 3: Cross multiply
    7,943.46x = 11,915.76 × 2,100
  4. Step 4: Simplify right side
    7,943.46x = 25,023,096
  5. Step 5: Solve for x
    x = 25,023,096/7,943.46
  6. Step 6: Final answer
    x = 3,150.15

Related Problems

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.