Home / 4,370-5,679

Finding the Third Proportional to 4,370 and 5,679

Calculator

Solution

The third proportional to 4,370 and 5,679 is: 7,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370 : 5,679 = 5,679 : x
  2. Step 2: Convert to fraction form
    4,370/5,679 = 5,679/x
  3. Step 3: Cross multiply
    4,370x = 5,679 × 5,679
  4. Step 4: Simplify right side
    4,370x = 32,251,041
  5. Step 5: Solve for x
    x = 32,251,041/4,370
  6. Step 6: Final answer
    x = 7,380.10

Related Problems

Find third proportional to 2,185 and 2,839.50
Half scale
Find third proportional to 8,740 and 11,358
Double scale
Find third proportional to 4,372 and 5,682
Similar ratio
Find third proportional to 6,555 and 8,518.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.