Home / 4,638.11-6,400.24-2,648.40

Finding the Fourth Proportional to 4,638.11, 6,400.24 and 2,648.40

Calculator

Solution

The fourth proportional to 4,638.11, 6,400.24 and 2,648.40 is: 3,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.11 : 6,400.24 = 2,648.40 : x
  2. Step 2: Convert to fraction form
    4,638.11/6,400.24 = 2,648.40/x
  3. Step 3: Cross multiply
    4,638.11x = 6,400.24 × 2,648.40
  4. Step 4: Simplify right side
    4,638.11x = 16,950,372.44
  5. Step 5: Solve for x
    x = 16,950,372.44/4,638.11
  6. Step 6: Final answer
    x = 3,654.59

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.