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Finding the Fourth Proportional to 5,908.47, 8,859.64 and 2,787.64

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Solution

The fourth proportional to 5,908.47, 8,859.64 and 2,787.64 is: 4,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.47 : 8,859.64 = 2,787.64 : x
  2. Step 2: Convert to fraction form
    5,908.47/8,859.64 = 2,787.64/x
  3. Step 3: Cross multiply
    5,908.47x = 8,859.64 × 2,787.64
  4. Step 4: Simplify right side
    5,908.47x = 24,697,486.85
  5. Step 5: Solve for x
    x = 24,697,486.85/5,908.47
  6. Step 6: Final answer
    x = 4,180.01

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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.