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Finding the Fourth Proportional to 8,784, 13,176.01 and 3,589.87

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Solution

The fourth proportional to 8,784, 13,176.01 and 3,589.87 is: 5,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784 : 13,176.01 = 3,589.87 : x
  2. Step 2: Convert to fraction form
    8,784/13,176.01 = 3,589.87/x
  3. Step 3: Cross multiply
    8,784x = 13,176.01 × 3,589.87
  4. Step 4: Simplify right side
    8,784x = 47,300,163.02
  5. Step 5: Solve for x
    x = 47,300,163.02/8,784
  6. Step 6: Final answer
    x = 5,384.81

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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.