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Finding the Fourth Proportional to 6,390.01, 9,581.97 and 2,229.51

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Solution

The fourth proportional to 6,390.01, 9,581.97 and 2,229.51 is: 3,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.01 : 9,581.97 = 2,229.51 : x
  2. Step 2: Convert to fraction form
    6,390.01/9,581.97 = 2,229.51/x
  3. Step 3: Cross multiply
    6,390.01x = 9,581.97 × 2,229.51
  4. Step 4: Simplify right side
    6,390.01x = 21,363,097.93
  5. Step 5: Solve for x
    x = 21,363,097.93/6,390.01
  6. Step 6: Final answer
    x = 3,343.20

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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.