Home / 5.09-7.64-4.64

Finding the Fourth Proportional to 5.09, 7.64 and 4.64

Calculator

Solution

The fourth proportional to 5.09, 7.64 and 4.64 is: 6.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.09 : 7.64 = 4.64 : x
  2. Step 2: Convert to fraction form
    5.09/7.64 = 4.64/x
  3. Step 3: Cross multiply
    5.09x = 7.64 × 4.64
  4. Step 4: Simplify right side
    5.09x = 35.39
  5. Step 5: Solve for x
    x = 35.39/5.09
  6. Step 6: Final answer
    x = 6.96

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.