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Finding the Fourth Proportional to 8,859, 13,288.50 and 3,665.01

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Solution

The fourth proportional to 8,859, 13,288.50 and 3,665.01 is: 5,497.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859 : 13,288.50 = 3,665.01 : x
  2. Step 2: Convert to fraction form
    8,859/13,288.50 = 3,665.01/x
  3. Step 3: Cross multiply
    8,859x = 13,288.50 × 3,665.01
  4. Step 4: Simplify right side
    8,859x = 48,702,485.39
  5. Step 5: Solve for x
    x = 48,702,485.39/8,859
  6. Step 6: Final answer
    x = 5,497.52

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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.