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Finding the Fourth Proportional to 9,260.60, 13,892.11 and 3,018.42

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Solution

The fourth proportional to 9,260.60, 13,892.11 and 3,018.42 is: 4,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.60 : 13,892.11 = 3,018.42 : x
  2. Step 2: Convert to fraction form
    9,260.60/13,892.11 = 3,018.42/x
  3. Step 3: Cross multiply
    9,260.60x = 13,892.11 × 3,018.42
  4. Step 4: Simplify right side
    9,260.60x = 41,932,222.67
  5. Step 5: Solve for x
    x = 41,932,222.67/9,260.60
  6. Step 6: Final answer
    x = 4,528.02

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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.