Home / 7,955.48-10,978.72-4,419.02

Finding the Fourth Proportional to 7,955.48, 10,978.72 and 4,419.02

Calculator

Solution

The fourth proportional to 7,955.48, 10,978.72 and 4,419.02 is: 6,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.48 : 10,978.72 = 4,419.02 : x
  2. Step 2: Convert to fraction form
    7,955.48/10,978.72 = 4,419.02/x
  3. Step 3: Cross multiply
    7,955.48x = 10,978.72 × 4,419.02
  4. Step 4: Simplify right side
    7,955.48x = 48,515,183.25
  5. Step 5: Solve for x
    x = 48,515,183.25/7,955.48
  6. Step 6: Final answer
    x = 6,098.34

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.