Home / 4,423.16-6,643.20-2,783

Finding the Fourth Proportional to 4,423.16, 6,643.20 and 2,783

Calculator

Solution

The fourth proportional to 4,423.16, 6,643.20 and 2,783 is: 4,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.16 : 6,643.20 = 2,783 : x
  2. Step 2: Convert to fraction form
    4,423.16/6,643.20 = 2,783/x
  3. Step 3: Cross multiply
    4,423.16x = 6,643.20 × 2,783
  4. Step 4: Simplify right side
    4,423.16x = 18,488,025.60
  5. Step 5: Solve for x
    x = 18,488,025.60/4,423.16
  6. Step 6: Final answer
    x = 4,179.82

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.