Home / 8,112.02-12,163.68-2,488.70

Finding the Fourth Proportional to 8,112.02, 12,163.68 and 2,488.70

Calculator

Solution

The fourth proportional to 8,112.02, 12,163.68 and 2,488.70 is: 3,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.02 : 12,163.68 = 2,488.70 : x
  2. Step 2: Convert to fraction form
    8,112.02/12,163.68 = 2,488.70/x
  3. Step 3: Cross multiply
    8,112.02x = 12,163.68 × 2,488.70
  4. Step 4: Simplify right side
    8,112.02x = 30,271,689.60
  5. Step 5: Solve for x
    x = 30,271,689.60/8,112.02
  6. Step 6: Final answer
    x = 3,731.71

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.