Home / 7,758.60-11,645.22-5,163.36

Finding the Fourth Proportional to 7,758.60, 11,645.22 and 5,163.36

Calculator

Solution

The fourth proportional to 7,758.60, 11,645.22 and 5,163.36 is: 7,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.60 : 11,645.22 = 5,163.36 : x
  2. Step 2: Convert to fraction form
    7,758.60/11,645.22 = 5,163.36/x
  3. Step 3: Cross multiply
    7,758.60x = 11,645.22 × 5,163.36
  4. Step 4: Simplify right side
    7,758.60x = 60,128,463.14
  5. Step 5: Solve for x
    x = 60,128,463.14/7,758.60
  6. Step 6: Final answer
    x = 7,749.91

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.