Home / 5,176.13-7,142.99-2,818.27

Finding the Fourth Proportional to 5,176.13, 7,142.99 and 2,818.27

Calculator

Solution

The fourth proportional to 5,176.13, 7,142.99 and 2,818.27 is: 3,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.13 : 7,142.99 = 2,818.27 : x
  2. Step 2: Convert to fraction form
    5,176.13/7,142.99 = 2,818.27/x
  3. Step 3: Cross multiply
    5,176.13x = 7,142.99 × 2,818.27
  4. Step 4: Simplify right side
    5,176.13x = 20,130,849.18
  5. Step 5: Solve for x
    x = 20,130,849.18/5,176.13
  6. Step 6: Final answer
    x = 3,889.17

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.