Home / 4,110-6,489.75

Finding the Third Proportional to 4,110 and 6,489.75

Calculator

Solution

The third proportional to 4,110 and 6,489.75 is: 10,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110 : 6,489.75 = 6,489.75 : x
  2. Step 2: Convert to fraction form
    4,110/6,489.75 = 6,489.75/x
  3. Step 3: Cross multiply
    4,110x = 6,489.75 × 6,489.75
  4. Step 4: Simplify right side
    4,110x = 42,116,855.06
  5. Step 5: Solve for x
    x = 42,116,855.06/4,110
  6. Step 6: Final answer
    x = 10,247.41

Related Problems

Find third proportional to 2,055 and 3,244.88
Half scale
Find third proportional to 8,220 and 12,979.50
Double scale
Find third proportional to 4,112 and 6,493
Similar ratio
Find third proportional to 6,165 and 9,734.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.