Home / 9,621.86-13,280.37-5,644.25

Finding the Fourth Proportional to 9,621.86, 13,280.37 and 5,644.25

Calculator

Solution

The fourth proportional to 9,621.86, 13,280.37 and 5,644.25 is: 7,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.86 : 13,280.37 = 5,644.25 : x
  2. Step 2: Convert to fraction form
    9,621.86/13,280.37 = 5,644.25/x
  3. Step 3: Cross multiply
    9,621.86x = 13,280.37 × 5,644.25
  4. Step 4: Simplify right side
    9,621.86x = 74,957,661.97
  5. Step 5: Solve for x
    x = 74,957,661.97/9,621.86
  6. Step 6: Final answer
    x = 7,790.35

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.