Home / 8.04-12.06-6.54

Finding the Fourth Proportional to 8.04, 12.06 and 6.54

Calculator

Solution

The fourth proportional to 8.04, 12.06 and 6.54 is: 9.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.04 : 12.06 = 6.54 : x
  2. Step 2: Convert to fraction form
    8.04/12.06 = 6.54/x
  3. Step 3: Cross multiply
    8.04x = 12.06 × 6.54
  4. Step 4: Simplify right side
    8.04x = 78.87
  5. Step 5: Solve for x
    x = 78.87/8.04
  6. Step 6: Final answer
    x = 9.81

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.