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Finding the Fourth Proportional to 8,667.22, 13,000.83 and 2,093.40

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Solution

The fourth proportional to 8,667.22, 13,000.83 and 2,093.40 is: 3,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.22 : 13,000.83 = 2,093.40 : x
  2. Step 2: Convert to fraction form
    8,667.22/13,000.83 = 2,093.40/x
  3. Step 3: Cross multiply
    8,667.22x = 13,000.83 × 2,093.40
  4. Step 4: Simplify right side
    8,667.22x = 27,215,937.52
  5. Step 5: Solve for x
    x = 27,215,937.52/8,667.22
  6. Step 6: Final answer
    x = 3,140.10

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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.