Home / 8,869.86-12,240.41-4,891.23

Finding the Fourth Proportional to 8,869.86, 12,240.41 and 4,891.23

Calculator

Solution

The fourth proportional to 8,869.86, 12,240.41 and 4,891.23 is: 6,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.86 : 12,240.41 = 4,891.23 : x
  2. Step 2: Convert to fraction form
    8,869.86/12,240.41 = 4,891.23/x
  3. Step 3: Cross multiply
    8,869.86x = 12,240.41 × 4,891.23
  4. Step 4: Simplify right side
    8,869.86x = 59,870,636.15
  5. Step 5: Solve for x
    x = 59,870,636.15/8,869.86
  6. Step 6: Final answer
    x = 6,749.90

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.