Home / 64.22-88.54-58.46

Finding the Fourth Proportional to 64.22, 88.54 and 58.46

Calculator

Solution

The fourth proportional to 64.22, 88.54 and 58.46 is: 80.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.22 : 88.54 = 58.46 : x
  2. Step 2: Convert to fraction form
    64.22/88.54 = 58.46/x
  3. Step 3: Cross multiply
    64.22x = 88.54 × 58.46
  4. Step 4: Simplify right side
    64.22x = 5,176.05
  5. Step 5: Solve for x
    x = 5,176.05/64.22
  6. Step 6: Final answer
    x = 80.60

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.