Home / 8,191.48-12,274.86-3,803.80

Finding the Fourth Proportional to 8,191.48, 12,274.86 and 3,803.80

Calculator

Solution

The fourth proportional to 8,191.48, 12,274.86 and 3,803.80 is: 5,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.48 : 12,274.86 = 3,803.80 : x
  2. Step 2: Convert to fraction form
    8,191.48/12,274.86 = 3,803.80/x
  3. Step 3: Cross multiply
    8,191.48x = 12,274.86 × 3,803.80
  4. Step 4: Simplify right side
    8,191.48x = 46,691,112.47
  5. Step 5: Solve for x
    x = 46,691,112.47/8,191.48
  6. Step 6: Final answer
    x = 5,699.96

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.