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Finding the Fourth Proportional to 5,918.92, 8,881.12 and 2,632.96

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Solution

The fourth proportional to 5,918.92, 8,881.12 and 2,632.96 is: 3,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.92 : 8,881.12 = 2,632.96 : x
  2. Step 2: Convert to fraction form
    5,918.92/8,881.12 = 2,632.96/x
  3. Step 3: Cross multiply
    5,918.92x = 8,881.12 × 2,632.96
  4. Step 4: Simplify right side
    5,918.92x = 23,383,590.75
  5. Step 5: Solve for x
    x = 23,383,590.75/5,918.92
  6. Step 6: Final answer
    x = 3,950.65

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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.