Home / 5,691.48-8,531.38-2,180.54

Finding the Fourth Proportional to 5,691.48, 8,531.38 and 2,180.54

Calculator

Solution

The fourth proportional to 5,691.48, 8,531.38 and 2,180.54 is: 3,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.48 : 8,531.38 = 2,180.54 : x
  2. Step 2: Convert to fraction form
    5,691.48/8,531.38 = 2,180.54/x
  3. Step 3: Cross multiply
    5,691.48x = 8,531.38 × 2,180.54
  4. Step 4: Simplify right side
    5,691.48x = 18,602,979.14
  5. Step 5: Solve for x
    x = 18,602,979.14/5,691.48
  6. Step 6: Final answer
    x = 3,268.57

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.