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Finding the Fourth Proportional to 7,346.50, 11,019.81 and 2,729.50

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Solution

The fourth proportional to 7,346.50, 11,019.81 and 2,729.50 is: 4,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.50 : 11,019.81 = 2,729.50 : x
  2. Step 2: Convert to fraction form
    7,346.50/11,019.81 = 2,729.50/x
  3. Step 3: Cross multiply
    7,346.50x = 11,019.81 × 2,729.50
  4. Step 4: Simplify right side
    7,346.50x = 30,078,571.40
  5. Step 5: Solve for x
    x = 30,078,571.40/7,346.50
  6. Step 6: Final answer
    x = 4,094.27

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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.