Home / 3,970-5,637

Finding the Third Proportional to 3,970 and 5,637

Calculator

Solution

The third proportional to 3,970 and 5,637 is: 8,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970 : 5,637 = 5,637 : x
  2. Step 2: Convert to fraction form
    3,970/5,637 = 5,637/x
  3. Step 3: Cross multiply
    3,970x = 5,637 × 5,637
  4. Step 4: Simplify right side
    3,970x = 31,775,769
  5. Step 5: Solve for x
    x = 31,775,769/3,970
  6. Step 6: Final answer
    x = 8,003.97

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.