Home / 8,456.27-12,683.87-2,912.27

Finding the Fourth Proportional to 8,456.27, 12,683.87 and 2,912.27

Calculator

Solution

The fourth proportional to 8,456.27, 12,683.87 and 2,912.27 is: 4,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.27 : 12,683.87 = 2,912.27 : x
  2. Step 2: Convert to fraction form
    8,456.27/12,683.87 = 2,912.27/x
  3. Step 3: Cross multiply
    8,456.27x = 12,683.87 × 2,912.27
  4. Step 4: Simplify right side
    8,456.27x = 36,938,839.52
  5. Step 5: Solve for x
    x = 36,938,839.52/8,456.27
  6. Step 6: Final answer
    x = 4,368.22

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.