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Finding the Fourth Proportional to 8,857.63, 13,286.46 and 3,014.71

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Solution

The fourth proportional to 8,857.63, 13,286.46 and 3,014.71 is: 4,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.63 : 13,286.46 = 3,014.71 : x
  2. Step 2: Convert to fraction form
    8,857.63/13,286.46 = 3,014.71/x
  3. Step 3: Cross multiply
    8,857.63x = 13,286.46 × 3,014.71
  4. Step 4: Simplify right side
    8,857.63x = 40,054,823.83
  5. Step 5: Solve for x
    x = 40,054,823.83/8,857.63
  6. Step 6: Final answer
    x = 4,522.07

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Double scale
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Similar ratio
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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.