Home / 7.74-10.68-6.93

Finding the Fourth Proportional to 7.74, 10.68 and 6.93

Calculator

Solution

The fourth proportional to 7.74, 10.68 and 6.93 is: 9.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.74 : 10.68 = 6.93 : x
  2. Step 2: Convert to fraction form
    7.74/10.68 = 6.93/x
  3. Step 3: Cross multiply
    7.74x = 10.68 × 6.93
  4. Step 4: Simplify right side
    7.74x = 74.01
  5. Step 5: Solve for x
    x = 74.01/7.74
  6. Step 6: Final answer
    x = 9.56

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.