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Finding the Fourth Proportional to 5,344.63, 8,018.57 and 2,845.40

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Solution

The fourth proportional to 5,344.63, 8,018.57 and 2,845.40 is: 4,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.63 : 8,018.57 = 2,845.40 : x
  2. Step 2: Convert to fraction form
    5,344.63/8,018.57 = 2,845.40/x
  3. Step 3: Cross multiply
    5,344.63x = 8,018.57 × 2,845.40
  4. Step 4: Simplify right side
    5,344.63x = 22,815,998.99
  5. Step 5: Solve for x
    x = 22,815,998.99/5,344.63
  6. Step 6: Final answer
    x = 4,268.96

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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.