Home / 7,980.45-11,978.05-4,034.48

Finding the Fourth Proportional to 7,980.45, 11,978.05 and 4,034.48

Calculator

Solution

The fourth proportional to 7,980.45, 11,978.05 and 4,034.48 is: 6,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.45 : 11,978.05 = 4,034.48 : x
  2. Step 2: Convert to fraction form
    7,980.45/11,978.05 = 4,034.48/x
  3. Step 3: Cross multiply
    7,980.45x = 11,978.05 × 4,034.48
  4. Step 4: Simplify right side
    7,980.45x = 48,325,253.16
  5. Step 5: Solve for x
    x = 48,325,253.16/7,980.45
  6. Step 6: Final answer
    x = 6,055.46

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.