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Finding the Fourth Proportional to 5,397.84, 8,097.84 and 1,935.36

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Solution

The fourth proportional to 5,397.84, 8,097.84 and 1,935.36 is: 2,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.84 : 8,097.84 = 1,935.36 : x
  2. Step 2: Convert to fraction form
    5,397.84/8,097.84 = 1,935.36/x
  3. Step 3: Cross multiply
    5,397.84x = 8,097.84 × 1,935.36
  4. Step 4: Simplify right side
    5,397.84x = 15,672,235.62
  5. Step 5: Solve for x
    x = 15,672,235.62/5,397.84
  6. Step 6: Final answer
    x = 2,903.43

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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.