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Finding the Fourth Proportional to 7,192.89, 9,929.25 and 4,836.39

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Solution

The fourth proportional to 7,192.89, 9,929.25 and 4,836.39 is: 6,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.89 : 9,929.25 = 4,836.39 : x
  2. Step 2: Convert to fraction form
    7,192.89/9,929.25 = 4,836.39/x
  3. Step 3: Cross multiply
    7,192.89x = 9,929.25 × 4,836.39
  4. Step 4: Simplify right side
    7,192.89x = 48,021,725.41
  5. Step 5: Solve for x
    x = 48,021,725.41/7,192.89
  6. Step 6: Final answer
    x = 6,676.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.