Home / 5,872.80-8,104.35-3,515.70

Finding the Fourth Proportional to 5,872.80, 8,104.35 and 3,515.70

Calculator

Solution

The fourth proportional to 5,872.80, 8,104.35 and 3,515.70 is: 4,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.80 : 8,104.35 = 3,515.70 : x
  2. Step 2: Convert to fraction form
    5,872.80/8,104.35 = 3,515.70/x
  3. Step 3: Cross multiply
    5,872.80x = 8,104.35 × 3,515.70
  4. Step 4: Simplify right side
    5,872.80x = 28,492,463.30
  5. Step 5: Solve for x
    x = 28,492,463.30/5,872.80
  6. Step 6: Final answer
    x = 4,851.60

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.