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Finding the Fourth Proportional to 8,443.07, 12,667.04 and 2,600.54

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Solution

The fourth proportional to 8,443.07, 12,667.04 and 2,600.54 is: 3,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.07 : 12,667.04 = 2,600.54 : x
  2. Step 2: Convert to fraction form
    8,443.07/12,667.04 = 2,600.54/x
  3. Step 3: Cross multiply
    8,443.07x = 12,667.04 × 2,600.54
  4. Step 4: Simplify right side
    8,443.07x = 32,941,087.37
  5. Step 5: Solve for x
    x = 32,941,087.37/8,443.07
  6. Step 6: Final answer
    x = 3,901.56

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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.