Home / 5,454.10-8,139.21-5,422.92

Finding the Fourth Proportional to 5,454.10, 8,139.21 and 5,422.92

Calculator

Solution

The fourth proportional to 5,454.10, 8,139.21 and 5,422.92 is: 8,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.10 : 8,139.21 = 5,422.92 : x
  2. Step 2: Convert to fraction form
    5,454.10/8,139.21 = 5,422.92/x
  3. Step 3: Cross multiply
    5,454.10x = 8,139.21 × 5,422.92
  4. Step 4: Simplify right side
    5,454.10x = 44,138,284.69
  5. Step 5: Solve for x
    x = 44,138,284.69/5,454.10
  6. Step 6: Final answer
    x = 8,092.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.