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Finding the Fourth Proportional to 7,497.05, 11,253.15 and 4,383

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Solution

The fourth proportional to 7,497.05, 11,253.15 and 4,383 is: 6,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.05 : 11,253.15 = 4,383 : x
  2. Step 2: Convert to fraction form
    7,497.05/11,253.15 = 4,383/x
  3. Step 3: Cross multiply
    7,497.05x = 11,253.15 × 4,383
  4. Step 4: Simplify right side
    7,497.05x = 49,322,556.45
  5. Step 5: Solve for x
    x = 49,322,556.45/7,497.05
  6. Step 6: Final answer
    x = 6,578.93

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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.