Home / 7,821.72-10,794.11-4,284.70

Finding the Fourth Proportional to 7,821.72, 10,794.11 and 4,284.70

Calculator

Solution

The fourth proportional to 7,821.72, 10,794.11 and 4,284.70 is: 5,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.72 : 10,794.11 = 4,284.70 : x
  2. Step 2: Convert to fraction form
    7,821.72/10,794.11 = 4,284.70/x
  3. Step 3: Cross multiply
    7,821.72x = 10,794.11 × 4,284.70
  4. Step 4: Simplify right side
    7,821.72x = 46,249,474.71
  5. Step 5: Solve for x
    x = 46,249,474.71/7,821.72
  6. Step 6: Final answer
    x = 5,912.95

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.