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Finding the Fourth Proportional to 8,784.65, 13,178.90 and 2,544.72

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Solution

The fourth proportional to 8,784.65, 13,178.90 and 2,544.72 is: 3,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.65 : 13,178.90 = 2,544.72 : x
  2. Step 2: Convert to fraction form
    8,784.65/13,178.90 = 2,544.72/x
  3. Step 3: Cross multiply
    8,784.65x = 13,178.90 × 2,544.72
  4. Step 4: Simplify right side
    8,784.65x = 33,536,567.35
  5. Step 5: Solve for x
    x = 33,536,567.35/8,784.65
  6. Step 6: Final answer
    x = 3,817.63

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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.