Home / 7,924.38-11,880.66-4,803.78

Finding the Fourth Proportional to 7,924.38, 11,880.66 and 4,803.78

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Solution

The fourth proportional to 7,924.38, 11,880.66 and 4,803.78 is: 7,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.38 : 11,880.66 = 4,803.78 : x
  2. Step 2: Convert to fraction form
    7,924.38/11,880.66 = 4,803.78/x
  3. Step 3: Cross multiply
    7,924.38x = 11,880.66 × 4,803.78
  4. Step 4: Simplify right side
    7,924.38x = 57,072,076.89
  5. Step 5: Solve for x
    x = 57,072,076.89/7,924.38
  6. Step 6: Final answer
    x = 7,202.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.