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Finding the Fourth Proportional to 6,951.88, 9,593.72 and 3,807.87

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Solution

The fourth proportional to 6,951.88, 9,593.72 and 3,807.87 is: 5,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.88 : 9,593.72 = 3,807.87 : x
  2. Step 2: Convert to fraction form
    6,951.88/9,593.72 = 3,807.87/x
  3. Step 3: Cross multiply
    6,951.88x = 9,593.72 × 3,807.87
  4. Step 4: Simplify right side
    6,951.88x = 36,531,638.58
  5. Step 5: Solve for x
    x = 36,531,638.58/6,951.88
  6. Step 6: Final answer
    x = 5,254.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.