Home / 10.42-15.63-5.35

Finding the Fourth Proportional to 10.42, 15.63 and 5.35

Calculator

Solution

The fourth proportional to 10.42, 15.63 and 5.35 is: 8.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.42 : 15.63 = 5.35 : x
  2. Step 2: Convert to fraction form
    10.42/15.63 = 5.35/x
  3. Step 3: Cross multiply
    10.42x = 15.63 × 5.35
  4. Step 4: Simplify right side
    10.42x = 83.54
  5. Step 5: Solve for x
    x = 83.54/10.42
  6. Step 6: Final answer
    x = 8.02

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.