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Finding the Fourth Proportional to 6,650.03, 9,981.19 and 3,365.42

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Solution

The fourth proportional to 6,650.03, 9,981.19 and 3,365.42 is: 5,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.03 : 9,981.19 = 3,365.42 : x
  2. Step 2: Convert to fraction form
    6,650.03/9,981.19 = 3,365.42/x
  3. Step 3: Cross multiply
    6,650.03x = 9,981.19 × 3,365.42
  4. Step 4: Simplify right side
    6,650.03x = 33,590,912.99
  5. Step 5: Solve for x
    x = 33,590,912.99/6,650.03
  6. Step 6: Final answer
    x = 5,051.25

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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.