Home / 8,478.40-12,716.24-2,320.96

Finding the Fourth Proportional to 8,478.40, 12,716.24 and 2,320.96

Calculator

Solution

The fourth proportional to 8,478.40, 12,716.24 and 2,320.96 is: 3,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478.40 : 12,716.24 = 2,320.96 : x
  2. Step 2: Convert to fraction form
    8,478.40/12,716.24 = 2,320.96/x
  3. Step 3: Cross multiply
    8,478.40x = 12,716.24 × 2,320.96
  4. Step 4: Simplify right side
    8,478.40x = 29,513,884.39
  5. Step 5: Solve for x
    x = 29,513,884.39/8,478.40
  6. Step 6: Final answer
    x = 3,481.07

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.