Home / 5.16-7.67-5.10

Finding the Fourth Proportional to 5.16, 7.67 and 5.10

Calculator

Solution

The fourth proportional to 5.16, 7.67 and 5.10 is: 7.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.16 : 7.67 = 5.10 : x
  2. Step 2: Convert to fraction form
    5.16/7.67 = 5.10/x
  3. Step 3: Cross multiply
    5.16x = 7.67 × 5.10
  4. Step 4: Simplify right side
    5.16x = 39.12
  5. Step 5: Solve for x
    x = 39.12/5.16
  6. Step 6: Final answer
    x = 7.58

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.