Home / 7,331.82-10,118.15-4,145.21

Finding the Fourth Proportional to 7,331.82, 10,118.15 and 4,145.21

Calculator

Solution

The fourth proportional to 7,331.82, 10,118.15 and 4,145.21 is: 5,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.82 : 10,118.15 = 4,145.21 : x
  2. Step 2: Convert to fraction form
    7,331.82/10,118.15 = 4,145.21/x
  3. Step 3: Cross multiply
    7,331.82x = 10,118.15 × 4,145.21
  4. Step 4: Simplify right side
    7,331.82x = 41,941,856.56
  5. Step 5: Solve for x
    x = 41,941,856.56/7,331.82
  6. Step 6: Final answer
    x = 5,720.52

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.