Home / 7,091.46-9,786.27-3,905.10

Finding the Fourth Proportional to 7,091.46, 9,786.27 and 3,905.10

Calculator

Solution

The fourth proportional to 7,091.46, 9,786.27 and 3,905.10 is: 5,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.46 : 9,786.27 = 3,905.10 : x
  2. Step 2: Convert to fraction form
    7,091.46/9,786.27 = 3,905.10/x
  3. Step 3: Cross multiply
    7,091.46x = 9,786.27 × 3,905.10
  4. Step 4: Simplify right side
    7,091.46x = 38,216,362.98
  5. Step 5: Solve for x
    x = 38,216,362.98/7,091.46
  6. Step 6: Final answer
    x = 5,389.07

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.