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Finding the Fourth Proportional to 8,677.62, 13,018.05 and 3,483.90

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Solution

The fourth proportional to 8,677.62, 13,018.05 and 3,483.90 is: 5,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.62 : 13,018.05 = 3,483.90 : x
  2. Step 2: Convert to fraction form
    8,677.62/13,018.05 = 3,483.90/x
  3. Step 3: Cross multiply
    8,677.62x = 13,018.05 × 3,483.90
  4. Step 4: Simplify right side
    8,677.62x = 45,353,584.40
  5. Step 5: Solve for x
    x = 45,353,584.40/8,677.62
  6. Step 6: Final answer
    x = 5,226.50

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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.