Home / 5,177.98-7,146.31-3,081.88

Finding the Fourth Proportional to 5,177.98, 7,146.31 and 3,081.88

Calculator

Solution

The fourth proportional to 5,177.98, 7,146.31 and 3,081.88 is: 4,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.98 : 7,146.31 = 3,081.88 : x
  2. Step 2: Convert to fraction form
    5,177.98/7,146.31 = 3,081.88/x
  3. Step 3: Cross multiply
    5,177.98x = 7,146.31 × 3,081.88
  4. Step 4: Simplify right side
    5,177.98x = 22,024,034.13
  5. Step 5: Solve for x
    x = 22,024,034.13/5,177.98
  6. Step 6: Final answer
    x = 4,253.41

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.