Home / 5.87-8.80-3.19

Finding the Fourth Proportional to 5.87, 8.80 and 3.19

Calculator

Solution

The fourth proportional to 5.87, 8.80 and 3.19 is: 4.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.87 : 8.80 = 3.19 : x
  2. Step 2: Convert to fraction form
    5.87/8.80 = 3.19/x
  3. Step 3: Cross multiply
    5.87x = 8.80 × 3.19
  4. Step 4: Simplify right side
    5.87x = 28.04
  5. Step 5: Solve for x
    x = 28.04/5.87
  6. Step 6: Final answer
    x = 4.78

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.