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Finding the Fourth Proportional to 8,904, 13,358.68 and 2,664.22

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Solution

The fourth proportional to 8,904, 13,358.68 and 2,664.22 is: 3,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904 : 13,358.68 = 2,664.22 : x
  2. Step 2: Convert to fraction form
    8,904/13,358.68 = 2,664.22/x
  3. Step 3: Cross multiply
    8,904x = 13,358.68 × 2,664.22
  4. Step 4: Simplify right side
    8,904x = 35,590,462.43
  5. Step 5: Solve for x
    x = 35,590,462.43/8,904
  6. Step 6: Final answer
    x = 3,997.13

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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.