Home / 7,299.06-10,956.78-2,919.60

Finding the Fourth Proportional to 7,299.06, 10,956.78 and 2,919.60

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Solution

The fourth proportional to 7,299.06, 10,956.78 and 2,919.60 is: 4,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.06 : 10,956.78 = 2,919.60 : x
  2. Step 2: Convert to fraction form
    7,299.06/10,956.78 = 2,919.60/x
  3. Step 3: Cross multiply
    7,299.06x = 10,956.78 × 2,919.60
  4. Step 4: Simplify right side
    7,299.06x = 31,989,414.89
  5. Step 5: Solve for x
    x = 31,989,414.89/7,299.06
  6. Step 6: Final answer
    x = 4,382.68

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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.