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Finding the Fourth Proportional to 8,901.50, 13,354.41 and 2,745.50

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Solution

The fourth proportional to 8,901.50, 13,354.41 and 2,745.50 is: 4,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.50 : 13,354.41 = 2,745.50 : x
  2. Step 2: Convert to fraction form
    8,901.50/13,354.41 = 2,745.50/x
  3. Step 3: Cross multiply
    8,901.50x = 13,354.41 × 2,745.50
  4. Step 4: Simplify right side
    8,901.50x = 36,664,532.66
  5. Step 5: Solve for x
    x = 36,664,532.66/8,901.50
  6. Step 6: Final answer
    x = 4,118.92

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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.