Home / 5,247.96-7,242.30-2,890.23

Finding the Fourth Proportional to 5,247.96, 7,242.30 and 2,890.23

Calculator

Solution

The fourth proportional to 5,247.96, 7,242.30 and 2,890.23 is: 3,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.96 : 7,242.30 = 2,890.23 : x
  2. Step 2: Convert to fraction form
    5,247.96/7,242.30 = 2,890.23/x
  3. Step 3: Cross multiply
    5,247.96x = 7,242.30 × 2,890.23
  4. Step 4: Simplify right side
    5,247.96x = 20,931,912.73
  5. Step 5: Solve for x
    x = 20,931,912.73/5,247.96
  6. Step 6: Final answer
    x = 3,988.58

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.