Home / 5,105.54-7,659.52-1,818.92

Finding the Fourth Proportional to 5,105.54, 7,659.52 and 1,818.92

Calculator

Solution

The fourth proportional to 5,105.54, 7,659.52 and 1,818.92 is: 2,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.54 : 7,659.52 = 1,818.92 : x
  2. Step 2: Convert to fraction form
    5,105.54/7,659.52 = 1,818.92/x
  3. Step 3: Cross multiply
    5,105.54x = 7,659.52 × 1,818.92
  4. Step 4: Simplify right side
    5,105.54x = 13,932,054.12
  5. Step 5: Solve for x
    x = 13,932,054.12/5,105.54
  6. Step 6: Final answer
    x = 2,728.81

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.