Home / 4,978.76-7,469.82-2,205.05

Finding the Fourth Proportional to 4,978.76, 7,469.82 and 2,205.05

Calculator

Solution

The fourth proportional to 4,978.76, 7,469.82 and 2,205.05 is: 3,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.76 : 7,469.82 = 2,205.05 : x
  2. Step 2: Convert to fraction form
    4,978.76/7,469.82 = 2,205.05/x
  3. Step 3: Cross multiply
    4,978.76x = 7,469.82 × 2,205.05
  4. Step 4: Simplify right side
    4,978.76x = 16,471,326.59
  5. Step 5: Solve for x
    x = 16,471,326.59/4,978.76
  6. Step 6: Final answer
    x = 3,308.32

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.