Home / 7,591.39-11,391.18-3,638.40

Finding the Fourth Proportional to 7,591.39, 11,391.18 and 3,638.40

Calculator

Solution

The fourth proportional to 7,591.39, 11,391.18 and 3,638.40 is: 5,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.39 : 11,391.18 = 3,638.40 : x
  2. Step 2: Convert to fraction form
    7,591.39/11,391.18 = 3,638.40/x
  3. Step 3: Cross multiply
    7,591.39x = 11,391.18 × 3,638.40
  4. Step 4: Simplify right side
    7,591.39x = 41,445,669.31
  5. Step 5: Solve for x
    x = 41,445,669.31/7,591.39
  6. Step 6: Final answer
    x = 5,459.56

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.