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Finding the Fourth Proportional to 8,329.84, 12,499.87 and 4,383.94

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Solution

The fourth proportional to 8,329.84, 12,499.87 and 4,383.94 is: 6,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.84 : 12,499.87 = 4,383.94 : x
  2. Step 2: Convert to fraction form
    8,329.84/12,499.87 = 4,383.94/x
  3. Step 3: Cross multiply
    8,329.84x = 12,499.87 × 4,383.94
  4. Step 4: Simplify right side
    8,329.84x = 54,798,669.54
  5. Step 5: Solve for x
    x = 54,798,669.54/8,329.84
  6. Step 6: Final answer
    x = 6,578.60

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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.