Home / 4,260.24-6,390.37-1,921.35

Finding the Fourth Proportional to 4,260.24, 6,390.37 and 1,921.35

Calculator

Solution

The fourth proportional to 4,260.24, 6,390.37 and 1,921.35 is: 2,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.24 : 6,390.37 = 1,921.35 : x
  2. Step 2: Convert to fraction form
    4,260.24/6,390.37 = 1,921.35/x
  3. Step 3: Cross multiply
    4,260.24x = 6,390.37 × 1,921.35
  4. Step 4: Simplify right side
    4,260.24x = 12,278,132.60
  5. Step 5: Solve for x
    x = 12,278,132.60/4,260.24
  6. Step 6: Final answer
    x = 2,882.03

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.