Home / 7,369.20-11,028.60-4,449.60

Finding the Fourth Proportional to 7,369.20, 11,028.60 and 4,449.60

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Solution

The fourth proportional to 7,369.20, 11,028.60 and 4,449.60 is: 6,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.20 : 11,028.60 = 4,449.60 : x
  2. Step 2: Convert to fraction form
    7,369.20/11,028.60 = 4,449.60/x
  3. Step 3: Cross multiply
    7,369.20x = 11,028.60 × 4,449.60
  4. Step 4: Simplify right side
    7,369.20x = 49,072,858.56
  5. Step 5: Solve for x
    x = 49,072,858.56/7,369.20
  6. Step 6: Final answer
    x = 6,659.18

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1.5x scale

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.