Home / 8,864.92-12,231.90-5,551

Finding the Fourth Proportional to 8,864.92, 12,231.90 and 5,551

Calculator

Solution

The fourth proportional to 8,864.92, 12,231.90 and 5,551 is: 7,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.92 : 12,231.90 = 5,551 : x
  2. Step 2: Convert to fraction form
    8,864.92/12,231.90 = 5,551/x
  3. Step 3: Cross multiply
    8,864.92x = 12,231.90 × 5,551
  4. Step 4: Simplify right side
    8,864.92x = 67,899,276.90
  5. Step 5: Solve for x
    x = 67,899,276.90/8,864.92
  6. Step 6: Final answer
    x = 7,659.32

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.