Home / 8.00-11.98-4.79

Finding the Fourth Proportional to 8.00, 11.98 and 4.79

Calculator

Solution

The fourth proportional to 8.00, 11.98 and 4.79 is: 7.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.00 : 11.98 = 4.79 : x
  2. Step 2: Convert to fraction form
    8.00/11.98 = 4.79/x
  3. Step 3: Cross multiply
    8.00x = 11.98 × 4.79
  4. Step 4: Simplify right side
    8.00x = 57.31
  5. Step 5: Solve for x
    x = 57.31/8.00
  6. Step 6: Final answer
    x = 7.16

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.