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Finding the Fourth Proportional to 5,009.67, 7,507.18 and 2,819.01

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Solution

The fourth proportional to 5,009.67, 7,507.18 and 2,819.01 is: 4,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.67 : 7,507.18 = 2,819.01 : x
  2. Step 2: Convert to fraction form
    5,009.67/7,507.18 = 2,819.01/x
  3. Step 3: Cross multiply
    5,009.67x = 7,507.18 × 2,819.01
  4. Step 4: Simplify right side
    5,009.67x = 21,162,815.49
  5. Step 5: Solve for x
    x = 21,162,815.49/5,009.67
  6. Step 6: Final answer
    x = 4,224.39

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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.