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Finding the Fourth Proportional to 8,979, 13,467.48 and 2,404.74

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Solution

The fourth proportional to 8,979, 13,467.48 and 2,404.74 is: 3,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979 : 13,467.48 = 2,404.74 : x
  2. Step 2: Convert to fraction form
    8,979/13,467.48 = 2,404.74/x
  3. Step 3: Cross multiply
    8,979x = 13,467.48 × 2,404.74
  4. Step 4: Simplify right side
    8,979x = 32,385,787.86
  5. Step 5: Solve for x
    x = 32,385,787.86/8,979
  6. Step 6: Final answer
    x = 3,606.84

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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.