Home / 6,109.18-9,166.20-3,186.70

Finding the Fourth Proportional to 6,109.18, 9,166.20 and 3,186.70

Calculator

Solution

The fourth proportional to 6,109.18, 9,166.20 and 3,186.70 is: 4,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.18 : 9,166.20 = 3,186.70 : x
  2. Step 2: Convert to fraction form
    6,109.18/9,166.20 = 3,186.70/x
  3. Step 3: Cross multiply
    6,109.18x = 9,166.20 × 3,186.70
  4. Step 4: Simplify right side
    6,109.18x = 29,209,929.54
  5. Step 5: Solve for x
    x = 29,209,929.54/6,109.18
  6. Step 6: Final answer
    x = 4,781.32

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.