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Finding the Fourth Proportional to 9,850.54, 14,768.04 and 4,917.64

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Solution

The fourth proportional to 9,850.54, 14,768.04 and 4,917.64 is: 7,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.54 : 14,768.04 = 4,917.64 : x
  2. Step 2: Convert to fraction form
    9,850.54/14,768.04 = 4,917.64/x
  3. Step 3: Cross multiply
    9,850.54x = 14,768.04 × 4,917.64
  4. Step 4: Simplify right side
    9,850.54x = 72,623,904.23
  5. Step 5: Solve for x
    x = 72,623,904.23/9,850.54
  6. Step 6: Final answer
    x = 7,372.58

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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.