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Finding the Fourth Proportional to 17,092, 25,638 and 4,780

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Solution

The fourth proportional to 17,092, 25,638 and 4,780 is: 7,170

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092 : 25,638 = 4,780 : x
  2. Step 2: Convert to fraction form
    17,092/25,638 = 4,780/x
  3. Step 3: Cross multiply
    17,092x = 25,638 × 4,780
  4. Step 4: Simplify right side
    17,092x = 122,549,640
  5. Step 5: Solve for x
    x = 122,549,640/17,092
  6. Step 6: Final answer
    x = 7,170

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.