Home / 8,107.16-11,193.03-6,618.60

Finding the Fourth Proportional to 8,107.16, 11,193.03 and 6,618.60

Calculator

Solution

The fourth proportional to 8,107.16, 11,193.03 and 6,618.60 is: 9,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.16 : 11,193.03 = 6,618.60 : x
  2. Step 2: Convert to fraction form
    8,107.16/11,193.03 = 6,618.60/x
  3. Step 3: Cross multiply
    8,107.16x = 11,193.03 × 6,618.60
  4. Step 4: Simplify right side
    8,107.16x = 74,082,188.36
  5. Step 5: Solve for x
    x = 74,082,188.36/8,107.16
  6. Step 6: Final answer
    x = 9,137.88

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.