Home / 8,176.32-12,270.58-3,179.48

Finding the Fourth Proportional to 8,176.32, 12,270.58 and 3,179.48

Calculator

Solution

The fourth proportional to 8,176.32, 12,270.58 and 3,179.48 is: 4,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.32 : 12,270.58 = 3,179.48 : x
  2. Step 2: Convert to fraction form
    8,176.32/12,270.58 = 3,179.48/x
  3. Step 3: Cross multiply
    8,176.32x = 12,270.58 × 3,179.48
  4. Step 4: Simplify right side
    8,176.32x = 39,013,994.40
  5. Step 5: Solve for x
    x = 39,013,994.40/8,176.32
  6. Step 6: Final answer
    x = 4,771.58

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.