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Finding the Fourth Proportional to 5,801.62, 8,703.71 and 1,905.86

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Solution

The fourth proportional to 5,801.62, 8,703.71 and 1,905.86 is: 2,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.62 : 8,703.71 = 1,905.86 : x
  2. Step 2: Convert to fraction form
    5,801.62/8,703.71 = 1,905.86/x
  3. Step 3: Cross multiply
    5,801.62x = 8,703.71 × 1,905.86
  4. Step 4: Simplify right side
    5,801.62x = 16,588,052.74
  5. Step 5: Solve for x
    x = 16,588,052.74/5,801.62
  6. Step 6: Final answer
    x = 2,859.21

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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.