Home / 4,927.92-7,390.26-1,640.13

Finding the Fourth Proportional to 4,927.92, 7,390.26 and 1,640.13

Calculator

Solution

The fourth proportional to 4,927.92, 7,390.26 and 1,640.13 is: 2,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.92 : 7,390.26 = 1,640.13 : x
  2. Step 2: Convert to fraction form
    4,927.92/7,390.26 = 1,640.13/x
  3. Step 3: Cross multiply
    4,927.92x = 7,390.26 × 1,640.13
  4. Step 4: Simplify right side
    4,927.92x = 12,120,987.13
  5. Step 5: Solve for x
    x = 12,120,987.13/4,927.92
  6. Step 6: Final answer
    x = 2,459.66

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.