Home / 8.76-12.08-6.71

Finding the Fourth Proportional to 8.76, 12.08 and 6.71

Calculator

Solution

The fourth proportional to 8.76, 12.08 and 6.71 is: 9.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.76 : 12.08 = 6.71 : x
  2. Step 2: Convert to fraction form
    8.76/12.08 = 6.71/x
  3. Step 3: Cross multiply
    8.76x = 12.08 × 6.71
  4. Step 4: Simplify right side
    8.76x = 81.06
  5. Step 5: Solve for x
    x = 81.06/8.76
  6. Step 6: Final answer
    x = 9.25

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.