Home / 7,419.92-10,231.08-5,553.68

Finding the Fourth Proportional to 7,419.92, 10,231.08 and 5,553.68

Calculator

Solution

The fourth proportional to 7,419.92, 10,231.08 and 5,553.68 is: 7,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.92 : 10,231.08 = 5,553.68 : x
  2. Step 2: Convert to fraction form
    7,419.92/10,231.08 = 5,553.68/x
  3. Step 3: Cross multiply
    7,419.92x = 10,231.08 × 5,553.68
  4. Step 4: Simplify right side
    7,419.92x = 56,820,144.37
  5. Step 5: Solve for x
    x = 56,820,144.37/7,419.92
  6. Step 6: Final answer
    x = 7,657.78

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.