Home / 62.03-85.79-56.57

Finding the Fourth Proportional to 62.03, 85.79 and 56.57

Calculator

Solution

The fourth proportional to 62.03, 85.79 and 56.57 is: 78.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.03 : 85.79 = 56.57 : x
  2. Step 2: Convert to fraction form
    62.03/85.79 = 56.57/x
  3. Step 3: Cross multiply
    62.03x = 85.79 × 56.57
  4. Step 4: Simplify right side
    62.03x = 4,852.85
  5. Step 5: Solve for x
    x = 4,852.85/62.03
  6. Step 6: Final answer
    x = 78.23

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.