Home / 10.63-15.95-3.86

Finding the Fourth Proportional to 10.63, 15.95 and 3.86

Calculator

Solution

The fourth proportional to 10.63, 15.95 and 3.86 is: 5.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.63 : 15.95 = 3.86 : x
  2. Step 2: Convert to fraction form
    10.63/15.95 = 3.86/x
  3. Step 3: Cross multiply
    10.63x = 15.95 × 3.86
  4. Step 4: Simplify right side
    10.63x = 61.60
  5. Step 5: Solve for x
    x = 61.60/10.63
  6. Step 6: Final answer
    x = 5.79

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.