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Finding the Fourth Proportional to 4,789.82, 6,609.74 and 2,800.56

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Solution

The fourth proportional to 4,789.82, 6,609.74 and 2,800.56 is: 3,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.82 : 6,609.74 = 2,800.56 : x
  2. Step 2: Convert to fraction form
    4,789.82/6,609.74 = 2,800.56/x
  3. Step 3: Cross multiply
    4,789.82x = 6,609.74 × 2,800.56
  4. Step 4: Simplify right side
    4,789.82x = 18,510,973.45
  5. Step 5: Solve for x
    x = 18,510,973.45/4,789.82
  6. Step 6: Final answer
    x = 3,864.65

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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.