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Finding the Fourth Proportional to 5,404.88, 8,107.32 and 1,300.88

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Solution

The fourth proportional to 5,404.88, 8,107.32 and 1,300.88 is: 1,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.88 : 8,107.32 = 1,300.88 : x
  2. Step 2: Convert to fraction form
    5,404.88/8,107.32 = 1,300.88/x
  3. Step 3: Cross multiply
    5,404.88x = 8,107.32 × 1,300.88
  4. Step 4: Simplify right side
    5,404.88x = 10,546,609.91
  5. Step 5: Solve for x
    x = 10,546,609.91/5,404.88
  6. Step 6: Final answer
    x = 1,951.31

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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.