Home / 5,671.92-7,827.16-3,187.92

Finding the Fourth Proportional to 5,671.92, 7,827.16 and 3,187.92

Calculator

Solution

The fourth proportional to 5,671.92, 7,827.16 and 3,187.92 is: 4,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.92 : 7,827.16 = 3,187.92 : x
  2. Step 2: Convert to fraction form
    5,671.92/7,827.16 = 3,187.92/x
  3. Step 3: Cross multiply
    5,671.92x = 7,827.16 × 3,187.92
  4. Step 4: Simplify right side
    5,671.92x = 24,952,359.91
  5. Step 5: Solve for x
    x = 24,952,359.91/5,671.92
  6. Step 6: Final answer
    x = 4,399.28

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.