Home / 64.91-97.34-37.88

Finding the Fourth Proportional to 64.91, 97.34 and 37.88

Calculator

Solution

The fourth proportional to 64.91, 97.34 and 37.88 is: 56.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.91 : 97.34 = 37.88 : x
  2. Step 2: Convert to fraction form
    64.91/97.34 = 37.88/x
  3. Step 3: Cross multiply
    64.91x = 97.34 × 37.88
  4. Step 4: Simplify right side
    64.91x = 3,686.75
  5. Step 5: Solve for x
    x = 3,686.75/64.91
  6. Step 6: Final answer
    x = 56.80

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.