Home / 66.34-91.52-46.90

Finding the Fourth Proportional to 66.34, 91.52 and 46.90

Calculator

Solution

The fourth proportional to 66.34, 91.52 and 46.90 is: 64.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.34 : 91.52 = 46.90 : x
  2. Step 2: Convert to fraction form
    66.34/91.52 = 46.90/x
  3. Step 3: Cross multiply
    66.34x = 91.52 × 46.90
  4. Step 4: Simplify right side
    66.34x = 4,292.29
  5. Step 5: Solve for x
    x = 4,292.29/66.34
  6. Step 6: Final answer
    x = 64.70

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.