Home / 6,672.96-9,209.52-3,879.36

Finding the Fourth Proportional to 6,672.96, 9,209.52 and 3,879.36

Calculator

Solution

The fourth proportional to 6,672.96, 9,209.52 and 3,879.36 is: 5,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.96 : 9,209.52 = 3,879.36 : x
  2. Step 2: Convert to fraction form
    6,672.96/9,209.52 = 3,879.36/x
  3. Step 3: Cross multiply
    6,672.96x = 9,209.52 × 3,879.36
  4. Step 4: Simplify right side
    6,672.96x = 35,727,043.51
  5. Step 5: Solve for x
    x = 35,727,043.51/6,672.96
  6. Step 6: Final answer
    x = 5,354.00

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.