Home / 6,632.22-9,152.73-3,978.66

Finding the Fourth Proportional to 6,632.22, 9,152.73 and 3,978.66

Calculator

Solution

The fourth proportional to 6,632.22, 9,152.73 and 3,978.66 is: 5,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.22 : 9,152.73 = 3,978.66 : x
  2. Step 2: Convert to fraction form
    6,632.22/9,152.73 = 3,978.66/x
  3. Step 3: Cross multiply
    6,632.22x = 9,152.73 × 3,978.66
  4. Step 4: Simplify right side
    6,632.22x = 36,415,600.74
  5. Step 5: Solve for x
    x = 36,415,600.74/6,632.22
  6. Step 6: Final answer
    x = 5,490.71

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.