Home / 7,812.07-10,780.62-4,227.03

Finding the Fourth Proportional to 7,812.07, 10,780.62 and 4,227.03

Calculator

Solution

The fourth proportional to 7,812.07, 10,780.62 and 4,227.03 is: 5,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.07 : 10,780.62 = 4,227.03 : x
  2. Step 2: Convert to fraction form
    7,812.07/10,780.62 = 4,227.03/x
  3. Step 3: Cross multiply
    7,812.07x = 10,780.62 × 4,227.03
  4. Step 4: Simplify right side
    7,812.07x = 45,570,004.16
  5. Step 5: Solve for x
    x = 45,570,004.16/7,812.07
  6. Step 6: Final answer
    x = 5,833.28

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.