Home / 6,889.20-9,507.20-3,904.97

Finding the Fourth Proportional to 6,889.20, 9,507.20 and 3,904.97

Calculator

Solution

The fourth proportional to 6,889.20, 9,507.20 and 3,904.97 is: 5,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.20 : 9,507.20 = 3,904.97 : x
  2. Step 2: Convert to fraction form
    6,889.20/9,507.20 = 3,904.97/x
  3. Step 3: Cross multiply
    6,889.20x = 9,507.20 × 3,904.97
  4. Step 4: Simplify right side
    6,889.20x = 37,125,263.72
  5. Step 5: Solve for x
    x = 37,125,263.72/6,889.20
  6. Step 6: Final answer
    x = 5,388.91

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.