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Finding the Fourth Proportional to 6,630.26, 9,945.33 and 1,699.88

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Solution

The fourth proportional to 6,630.26, 9,945.33 and 1,699.88 is: 2,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.26 : 9,945.33 = 1,699.88 : x
  2. Step 2: Convert to fraction form
    6,630.26/9,945.33 = 1,699.88/x
  3. Step 3: Cross multiply
    6,630.26x = 9,945.33 × 1,699.88
  4. Step 4: Simplify right side
    6,630.26x = 16,905,817.83
  5. Step 5: Solve for x
    x = 16,905,817.83/6,630.26
  6. Step 6: Final answer
    x = 2,549.80

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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.