Home / 7,079.43-10,620.69-2,149.45

Finding the Fourth Proportional to 7,079.43, 10,620.69 and 2,149.45

Calculator

Solution

The fourth proportional to 7,079.43, 10,620.69 and 2,149.45 is: 3,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.43 : 10,620.69 = 2,149.45 : x
  2. Step 2: Convert to fraction form
    7,079.43/10,620.69 = 2,149.45/x
  3. Step 3: Cross multiply
    7,079.43x = 10,620.69 × 2,149.45
  4. Step 4: Simplify right side
    7,079.43x = 22,828,667.25
  5. Step 5: Solve for x
    x = 22,828,667.25/7,079.43
  6. Step 6: Final answer
    x = 3,224.65

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.