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Finding the Fourth Proportional to 5,592, 8,388 and 2,129.26

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Solution

The fourth proportional to 5,592, 8,388 and 2,129.26 is: 3,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592 : 8,388 = 2,129.26 : x
  2. Step 2: Convert to fraction form
    5,592/8,388 = 2,129.26/x
  3. Step 3: Cross multiply
    5,592x = 8,388 × 2,129.26
  4. Step 4: Simplify right side
    5,592x = 17,860,232.88
  5. Step 5: Solve for x
    x = 17,860,232.88/5,592
  6. Step 6: Final answer
    x = 3,193.89

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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.