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Finding the Fourth Proportional to 8,850.64, 13,277.18 and 3,005.68

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Solution

The fourth proportional to 8,850.64, 13,277.18 and 3,005.68 is: 4,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.64 : 13,277.18 = 3,005.68 : x
  2. Step 2: Convert to fraction form
    8,850.64/13,277.18 = 3,005.68/x
  3. Step 3: Cross multiply
    8,850.64x = 13,277.18 × 3,005.68
  4. Step 4: Simplify right side
    8,850.64x = 39,906,954.38
  5. Step 5: Solve for x
    x = 39,906,954.38/8,850.64
  6. Step 6: Final answer
    x = 4,508.93

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1.5x scale

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.