Home / 7,521.32-10,378.44-4,163.66

Finding the Fourth Proportional to 7,521.32, 10,378.44 and 4,163.66

Calculator

Solution

The fourth proportional to 7,521.32, 10,378.44 and 4,163.66 is: 5,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.32 : 10,378.44 = 4,163.66 : x
  2. Step 2: Convert to fraction form
    7,521.32/10,378.44 = 4,163.66/x
  3. Step 3: Cross multiply
    7,521.32x = 10,378.44 × 4,163.66
  4. Step 4: Simplify right side
    7,521.32x = 43,212,243.60
  5. Step 5: Solve for x
    x = 43,212,243.60/7,521.32
  6. Step 6: Final answer
    x = 5,745.30

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.