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Finding the Fourth Proportional to 5,800, 8,700 and 1,696

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Solution

The fourth proportional to 5,800, 8,700 and 1,696 is: 2,544

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800 : 8,700 = 1,696 : x
  2. Step 2: Convert to fraction form
    5,800/8,700 = 1,696/x
  3. Step 3: Cross multiply
    5,800x = 8,700 × 1,696
  4. Step 4: Simplify right side
    5,800x = 14,755,200
  5. Step 5: Solve for x
    x = 14,755,200/5,800
  6. Step 6: Final answer
    x = 2,544

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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.