Home / 5,505.90-7,589.28-4,308.78

Finding the Fourth Proportional to 5,505.90, 7,589.28 and 4,308.78

Calculator

Solution

The fourth proportional to 5,505.90, 7,589.28 and 4,308.78 is: 5,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.90 : 7,589.28 = 4,308.78 : x
  2. Step 2: Convert to fraction form
    5,505.90/7,589.28 = 4,308.78/x
  3. Step 3: Cross multiply
    5,505.90x = 7,589.28 × 4,308.78
  4. Step 4: Simplify right side
    5,505.90x = 32,700,537.88
  5. Step 5: Solve for x
    x = 32,700,537.88/5,505.90
  6. Step 6: Final answer
    x = 5,939.18

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.