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Finding the Fourth Proportional to 6,607.67, 9,118.71 and 3,623.33

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Solution

The fourth proportional to 6,607.67, 9,118.71 and 3,623.33 is: 5,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.67 : 9,118.71 = 3,623.33 : x
  2. Step 2: Convert to fraction form
    6,607.67/9,118.71 = 3,623.33/x
  3. Step 3: Cross multiply
    6,607.67x = 9,118.71 × 3,623.33
  4. Step 4: Simplify right side
    6,607.67x = 33,040,040.85
  5. Step 5: Solve for x
    x = 33,040,040.85/6,607.67
  6. Step 6: Final answer
    x = 5,000.26

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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.