Home / 5,021.38-6,929.68-3,031.54

Finding the Fourth Proportional to 5,021.38, 6,929.68 and 3,031.54

Calculator

Solution

The fourth proportional to 5,021.38, 6,929.68 and 3,031.54 is: 4,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.38 : 6,929.68 = 3,031.54 : x
  2. Step 2: Convert to fraction form
    5,021.38/6,929.68 = 3,031.54/x
  3. Step 3: Cross multiply
    5,021.38x = 6,929.68 × 3,031.54
  4. Step 4: Simplify right side
    5,021.38x = 21,007,602.11
  5. Step 5: Solve for x
    x = 21,007,602.11/5,021.38
  6. Step 6: Final answer
    x = 4,183.63

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.