Home / 9,240.40-13,860.60-5,352.40

Finding the Fourth Proportional to 9,240.40, 13,860.60 and 5,352.40

Calculator

Solution

The fourth proportional to 9,240.40, 13,860.60 and 5,352.40 is: 8,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.40 : 13,860.60 = 5,352.40 : x
  2. Step 2: Convert to fraction form
    9,240.40/13,860.60 = 5,352.40/x
  3. Step 3: Cross multiply
    9,240.40x = 13,860.60 × 5,352.40
  4. Step 4: Simplify right side
    9,240.40x = 74,187,475.44
  5. Step 5: Solve for x
    x = 74,187,475.44/9,240.40
  6. Step 6: Final answer
    x = 8,028.60

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.