Home / 8,823.48-12,172.92-5,681.49

Finding the Fourth Proportional to 8,823.48, 12,172.92 and 5,681.49

Calculator

Solution

The fourth proportional to 8,823.48, 12,172.92 and 5,681.49 is: 7,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.48 : 12,172.92 = 5,681.49 : x
  2. Step 2: Convert to fraction form
    8,823.48/12,172.92 = 5,681.49/x
  3. Step 3: Cross multiply
    8,823.48x = 12,172.92 × 5,681.49
  4. Step 4: Simplify right side
    8,823.48x = 69,160,323.25
  5. Step 5: Solve for x
    x = 69,160,323.25/8,823.48
  6. Step 6: Final answer
    x = 7,838.21

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.