Home / 5,255.52-7,885.80-3,520.68

Finding the Fourth Proportional to 5,255.52, 7,885.80 and 3,520.68

Calculator

Solution

The fourth proportional to 5,255.52, 7,885.80 and 3,520.68 is: 5,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.52 : 7,885.80 = 3,520.68 : x
  2. Step 2: Convert to fraction form
    5,255.52/7,885.80 = 3,520.68/x
  3. Step 3: Cross multiply
    5,255.52x = 7,885.80 × 3,520.68
  4. Step 4: Simplify right side
    5,255.52x = 27,763,378.34
  5. Step 5: Solve for x
    x = 27,763,378.34/5,255.52
  6. Step 6: Final answer
    x = 5,282.71

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.