Home / 5,515.41-7,611.28-2,997.50

Finding the Fourth Proportional to 5,515.41, 7,611.28 and 2,997.50

Calculator

Solution

The fourth proportional to 5,515.41, 7,611.28 and 2,997.50 is: 4,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.41 : 7,611.28 = 2,997.50 : x
  2. Step 2: Convert to fraction form
    5,515.41/7,611.28 = 2,997.50/x
  3. Step 3: Cross multiply
    5,515.41x = 7,611.28 × 2,997.50
  4. Step 4: Simplify right side
    5,515.41x = 22,814,811.80
  5. Step 5: Solve for x
    x = 22,814,811.80/5,515.41
  6. Step 6: Final answer
    x = 4,136.56

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.