Home / 3,987-4,653

Finding the Third Proportional to 3,987 and 4,653

Calculator

Solution

The third proportional to 3,987 and 4,653 is: 5,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987 : 4,653 = 4,653 : x
  2. Step 2: Convert to fraction form
    3,987/4,653 = 4,653/x
  3. Step 3: Cross multiply
    3,987x = 4,653 × 4,653
  4. Step 4: Simplify right side
    3,987x = 21,650,409
  5. Step 5: Solve for x
    x = 21,650,409/3,987
  6. Step 6: Final answer
    x = 5,430.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.