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Finding the Fourth Proportional to 5,097.28, 7,653 and 2,633.92

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Solution

The fourth proportional to 5,097.28, 7,653 and 2,633.92 is: 3,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.28 : 7,653 = 2,633.92 : x
  2. Step 2: Convert to fraction form
    5,097.28/7,653 = 2,633.92/x
  3. Step 3: Cross multiply
    5,097.28x = 7,653 × 2,633.92
  4. Step 4: Simplify right side
    5,097.28x = 20,157,389.76
  5. Step 5: Solve for x
    x = 20,157,389.76/5,097.28
  6. Step 6: Final answer
    x = 3,954.54

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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.