Home / 5,185.82-7,156.36-2,827.96

Finding the Fourth Proportional to 5,185.82, 7,156.36 and 2,827.96

Calculator

Solution

The fourth proportional to 5,185.82, 7,156.36 and 2,827.96 is: 3,902.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.82 : 7,156.36 = 2,827.96 : x
  2. Step 2: Convert to fraction form
    5,185.82/7,156.36 = 2,827.96/x
  3. Step 3: Cross multiply
    5,185.82x = 7,156.36 × 2,827.96
  4. Step 4: Simplify right side
    5,185.82x = 20,237,899.83
  5. Step 5: Solve for x
    x = 20,237,899.83/5,185.82
  6. Step 6: Final answer
    x = 3,902.55

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.