Home / 4,753.78-7,124.46-2,557.78

Finding the Fourth Proportional to 4,753.78, 7,124.46 and 2,557.78

Calculator

Solution

The fourth proportional to 4,753.78, 7,124.46 and 2,557.78 is: 3,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.78 : 7,124.46 = 2,557.78 : x
  2. Step 2: Convert to fraction form
    4,753.78/7,124.46 = 2,557.78/x
  3. Step 3: Cross multiply
    4,753.78x = 7,124.46 × 2,557.78
  4. Step 4: Simplify right side
    4,753.78x = 18,222,801.30
  5. Step 5: Solve for x
    x = 18,222,801.30/4,753.78
  6. Step 6: Final answer
    x = 3,833.33

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.