Home / 62.82-86.81-60.39

Finding the Fourth Proportional to 62.82, 86.81 and 60.39

Calculator

Solution

The fourth proportional to 62.82, 86.81 and 60.39 is: 83.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.82 : 86.81 = 60.39 : x
  2. Step 2: Convert to fraction form
    62.82/86.81 = 60.39/x
  3. Step 3: Cross multiply
    62.82x = 86.81 × 60.39
  4. Step 4: Simplify right side
    62.82x = 5,242.15
  5. Step 5: Solve for x
    x = 5,242.15/62.82
  6. Step 6: Final answer
    x = 83.45

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.