Home / 9,120.44-13,678.64-2,544.86

Finding the Fourth Proportional to 9,120.44, 13,678.64 and 2,544.86

Calculator

Solution

The fourth proportional to 9,120.44, 13,678.64 and 2,544.86 is: 3,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.44 : 13,678.64 = 2,544.86 : x
  2. Step 2: Convert to fraction form
    9,120.44/13,678.64 = 2,544.86/x
  3. Step 3: Cross multiply
    9,120.44x = 13,678.64 × 2,544.86
  4. Step 4: Simplify right side
    9,120.44x = 34,810,161.76
  5. Step 5: Solve for x
    x = 34,810,161.76/9,120.44
  6. Step 6: Final answer
    x = 3,816.72

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.