Home / 5,871.55-8,102.72-3,219.12

Finding the Fourth Proportional to 5,871.55, 8,102.72 and 3,219.12

Calculator

Solution

The fourth proportional to 5,871.55, 8,102.72 and 3,219.12 is: 4,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.55 : 8,102.72 = 3,219.12 : x
  2. Step 2: Convert to fraction form
    5,871.55/8,102.72 = 3,219.12/x
  3. Step 3: Cross multiply
    5,871.55x = 8,102.72 × 3,219.12
  4. Step 4: Simplify right side
    5,871.55x = 26,083,672.48
  5. Step 5: Solve for x
    x = 26,083,672.48/5,871.55
  6. Step 6: Final answer
    x = 4,442.39

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.