Home / 8,123.56-12,185.08-3,442.32

Finding the Fourth Proportional to 8,123.56, 12,185.08 and 3,442.32

Calculator

Solution

The fourth proportional to 8,123.56, 12,185.08 and 3,442.32 is: 5,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.56 : 12,185.08 = 3,442.32 : x
  2. Step 2: Convert to fraction form
    8,123.56/12,185.08 = 3,442.32/x
  3. Step 3: Cross multiply
    8,123.56x = 12,185.08 × 3,442.32
  4. Step 4: Simplify right side
    8,123.56x = 41,944,944.59
  5. Step 5: Solve for x
    x = 41,944,944.59/8,123.56
  6. Step 6: Final answer
    x = 5,163.37

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.