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Finding the Fourth Proportional to 4,490.28, 6,734.94 and 1,568.64

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Solution

The fourth proportional to 4,490.28, 6,734.94 and 1,568.64 is: 2,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.28 : 6,734.94 = 1,568.64 : x
  2. Step 2: Convert to fraction form
    4,490.28/6,734.94 = 1,568.64/x
  3. Step 3: Cross multiply
    4,490.28x = 6,734.94 × 1,568.64
  4. Step 4: Simplify right side
    4,490.28x = 10,564,696.28
  5. Step 5: Solve for x
    x = 10,564,696.28/4,490.28
  6. Step 6: Final answer
    x = 2,352.79

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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.