Home / 4,819.05-7,187.92-4,394.61

Finding the Fourth Proportional to 4,819.05, 7,187.92 and 4,394.61

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Solution

The fourth proportional to 4,819.05, 7,187.92 and 4,394.61 is: 6,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.05 : 7,187.92 = 4,394.61 : x
  2. Step 2: Convert to fraction form
    4,819.05/7,187.92 = 4,394.61/x
  3. Step 3: Cross multiply
    4,819.05x = 7,187.92 × 4,394.61
  4. Step 4: Simplify right side
    4,819.05x = 31,588,094.12
  5. Step 5: Solve for x
    x = 31,588,094.12/4,819.05
  6. Step 6: Final answer
    x = 6,554.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.