Home / 7,425.16-11,137.74-3,321.16

Finding the Fourth Proportional to 7,425.16, 11,137.74 and 3,321.16

Calculator

Solution

The fourth proportional to 7,425.16, 11,137.74 and 3,321.16 is: 4,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.16 : 11,137.74 = 3,321.16 : x
  2. Step 2: Convert to fraction form
    7,425.16/11,137.74 = 3,321.16/x
  3. Step 3: Cross multiply
    7,425.16x = 11,137.74 × 3,321.16
  4. Step 4: Simplify right side
    7,425.16x = 36,990,216.58
  5. Step 5: Solve for x
    x = 36,990,216.58/7,425.16
  6. Step 6: Final answer
    x = 4,981.74

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.