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Finding the Fourth Proportional to 8,038, 12,057 and 3,656.71

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Solution

The fourth proportional to 8,038, 12,057 and 3,656.71 is: 5,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038 : 12,057 = 3,656.71 : x
  2. Step 2: Convert to fraction form
    8,038/12,057 = 3,656.71/x
  3. Step 3: Cross multiply
    8,038x = 12,057 × 3,656.71
  4. Step 4: Simplify right side
    8,038x = 44,088,952.47
  5. Step 5: Solve for x
    x = 44,088,952.47/8,038
  6. Step 6: Final answer
    x = 5,485.07

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Double scale
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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.