Home / 6,402.88-8,836.72-3,608.88

Finding the Fourth Proportional to 6,402.88, 8,836.72 and 3,608.88

Calculator

Solution

The fourth proportional to 6,402.88, 8,836.72 and 3,608.88 is: 4,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.88 : 8,836.72 = 3,608.88 : x
  2. Step 2: Convert to fraction form
    6,402.88/8,836.72 = 3,608.88/x
  3. Step 3: Cross multiply
    6,402.88x = 8,836.72 × 3,608.88
  4. Step 4: Simplify right side
    6,402.88x = 31,890,662.07
  5. Step 5: Solve for x
    x = 31,890,662.07/6,402.88
  6. Step 6: Final answer
    x = 4,980.67

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.