Home / 77.84-107.52-52

Finding the Fourth Proportional to 77.84, 107.52 and 52

Calculator

Solution

The fourth proportional to 77.84, 107.52 and 52 is: 71.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77.84 : 107.52 = 52 : x
  2. Step 2: Convert to fraction form
    77.84/107.52 = 52/x
  3. Step 3: Cross multiply
    77.84x = 107.52 × 52
  4. Step 4: Simplify right side
    77.84x = 5,591.04
  5. Step 5: Solve for x
    x = 5,591.04/77.84
  6. Step 6: Final answer
    x = 71.83

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.