Home / 5,082.56-7,013.76-2,986.40

Finding the Fourth Proportional to 5,082.56, 7,013.76 and 2,986.40

Calculator

Solution

The fourth proportional to 5,082.56, 7,013.76 and 2,986.40 is: 4,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.56 : 7,013.76 = 2,986.40 : x
  2. Step 2: Convert to fraction form
    5,082.56/7,013.76 = 2,986.40/x
  3. Step 3: Cross multiply
    5,082.56x = 7,013.76 × 2,986.40
  4. Step 4: Simplify right side
    5,082.56x = 20,945,892.86
  5. Step 5: Solve for x
    x = 20,945,892.86/5,082.56
  6. Step 6: Final answer
    x = 4,121.13

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.