Home / 5,813.64-8,719.22-1,917.12

Finding the Fourth Proportional to 5,813.64, 8,719.22 and 1,917.12

Calculator

Solution

The fourth proportional to 5,813.64, 8,719.22 and 1,917.12 is: 2,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.64 : 8,719.22 = 1,917.12 : x
  2. Step 2: Convert to fraction form
    5,813.64/8,719.22 = 1,917.12/x
  3. Step 3: Cross multiply
    5,813.64x = 8,719.22 × 1,917.12
  4. Step 4: Simplify right side
    5,813.64x = 16,715,791.05
  5. Step 5: Solve for x
    x = 16,715,791.05/5,813.64
  6. Step 6: Final answer
    x = 2,875.27

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.