Home / 5,176.72-7,143.90-3,080.92

Finding the Fourth Proportional to 5,176.72, 7,143.90 and 3,080.92

Calculator

Solution

The fourth proportional to 5,176.72, 7,143.90 and 3,080.92 is: 4,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.72 : 7,143.90 = 3,080.92 : x
  2. Step 2: Convert to fraction form
    5,176.72/7,143.90 = 3,080.92/x
  3. Step 3: Cross multiply
    5,176.72x = 7,143.90 × 3,080.92
  4. Step 4: Simplify right side
    5,176.72x = 22,009,784.39
  5. Step 5: Solve for x
    x = 22,009,784.39/5,176.72
  6. Step 6: Final answer
    x = 4,251.69

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.