Home / 7,019.21-9,685.73-3,874.61

Finding the Fourth Proportional to 7,019.21, 9,685.73 and 3,874.61

Calculator

Solution

The fourth proportional to 7,019.21, 9,685.73 and 3,874.61 is: 5,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.21 : 9,685.73 = 3,874.61 : x
  2. Step 2: Convert to fraction form
    7,019.21/9,685.73 = 3,874.61/x
  3. Step 3: Cross multiply
    7,019.21x = 9,685.73 × 3,874.61
  4. Step 4: Simplify right side
    7,019.21x = 37,528,406.94
  5. Step 5: Solve for x
    x = 37,528,406.94/7,019.21
  6. Step 6: Final answer
    x = 5,346.53

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.