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Finding the Fourth Proportional to 7,892.08, 11,836.04 and 2,343.94

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Solution

The fourth proportional to 7,892.08, 11,836.04 and 2,343.94 is: 3,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.08 : 11,836.04 = 2,343.94 : x
  2. Step 2: Convert to fraction form
    7,892.08/11,836.04 = 2,343.94/x
  3. Step 3: Cross multiply
    7,892.08x = 11,836.04 × 2,343.94
  4. Step 4: Simplify right side
    7,892.08x = 27,742,967.60
  5. Step 5: Solve for x
    x = 27,742,967.60/7,892.08
  6. Step 6: Final answer
    x = 3,515.29

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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.