Home / 5,174.70-7,141.26-2,816.92

Finding the Fourth Proportional to 5,174.70, 7,141.26 and 2,816.92

Calculator

Solution

The fourth proportional to 5,174.70, 7,141.26 and 2,816.92 is: 3,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.70 : 7,141.26 = 2,816.92 : x
  2. Step 2: Convert to fraction form
    5,174.70/7,141.26 = 2,816.92/x
  3. Step 3: Cross multiply
    5,174.70x = 7,141.26 × 2,816.92
  4. Step 4: Simplify right side
    5,174.70x = 20,116,358.12
  5. Step 5: Solve for x
    x = 20,116,358.12/5,174.70
  6. Step 6: Final answer
    x = 3,887.44

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.