Home / 4,857.75-8,115.75

Finding the Third Proportional to 4,857.75 and 8,115.75

Calculator

Solution

The third proportional to 4,857.75 and 8,115.75 is: 13,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.75 : 8,115.75 = 8,115.75 : x
  2. Step 2: Convert to fraction form
    4,857.75/8,115.75 = 8,115.75/x
  3. Step 3: Cross multiply
    4,857.75x = 8,115.75 × 8,115.75
  4. Step 4: Simplify right side
    4,857.75x = 65,865,398.06
  5. Step 5: Solve for x
    x = 65,865,398.06/4,857.75
  6. Step 6: Final answer
    x = 13,558.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.