Home / 7,183.64-9,915.10-4,200.86

Finding the Fourth Proportional to 7,183.64, 9,915.10 and 4,200.86

Calculator

Solution

The fourth proportional to 7,183.64, 9,915.10 and 4,200.86 is: 5,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.64 : 9,915.10 = 4,200.86 : x
  2. Step 2: Convert to fraction form
    7,183.64/9,915.10 = 4,200.86/x
  3. Step 3: Cross multiply
    7,183.64x = 9,915.10 × 4,200.86
  4. Step 4: Simplify right side
    7,183.64x = 41,651,946.99
  5. Step 5: Solve for x
    x = 41,651,946.99/7,183.64
  6. Step 6: Final answer
    x = 5,798.17

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.