Home / 7,912.68-10,923.62-7,389.16

Finding the Fourth Proportional to 7,912.68, 10,923.62 and 7,389.16

Calculator

Solution

The fourth proportional to 7,912.68, 10,923.62 and 7,389.16 is: 10,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.68 : 10,923.62 = 7,389.16 : x
  2. Step 2: Convert to fraction form
    7,912.68/10,923.62 = 7,389.16/x
  3. Step 3: Cross multiply
    7,912.68x = 10,923.62 × 7,389.16
  4. Step 4: Simplify right side
    7,912.68x = 80,716,375.96
  5. Step 5: Solve for x
    x = 80,716,375.96/7,912.68
  6. Step 6: Final answer
    x = 10,200.89

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.