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Finding the Fourth Proportional to 8,698.52, 13,054.69 and 3,153.44

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Solution

The fourth proportional to 8,698.52, 13,054.69 and 3,153.44 is: 4,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.52 : 13,054.69 = 3,153.44 : x
  2. Step 2: Convert to fraction form
    8,698.52/13,054.69 = 3,153.44/x
  3. Step 3: Cross multiply
    8,698.52x = 13,054.69 × 3,153.44
  4. Step 4: Simplify right side
    8,698.52x = 41,167,218.21
  5. Step 5: Solve for x
    x = 41,167,218.21/8,698.52
  6. Step 6: Final answer
    x = 4,732.67

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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.