Home / 10.43-15.64-4.42

Finding the Fourth Proportional to 10.43, 15.64 and 4.42

Calculator

Solution

The fourth proportional to 10.43, 15.64 and 4.42 is: 6.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.43 : 15.64 = 4.42 : x
  2. Step 2: Convert to fraction form
    10.43/15.64 = 4.42/x
  3. Step 3: Cross multiply
    10.43x = 15.64 × 4.42
  4. Step 4: Simplify right side
    10.43x = 69.05
  5. Step 5: Solve for x
    x = 69.05/10.43
  6. Step 6: Final answer
    x = 6.62

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.