Home / 4,092.08-6,138.98-1,319.03

Finding the Fourth Proportional to 4,092.08, 6,138.98 and 1,319.03

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Solution

The fourth proportional to 4,092.08, 6,138.98 and 1,319.03 is: 1,978.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.08 : 6,138.98 = 1,319.03 : x
  2. Step 2: Convert to fraction form
    4,092.08/6,138.98 = 1,319.03/x
  3. Step 3: Cross multiply
    4,092.08x = 6,138.98 × 1,319.03
  4. Step 4: Simplify right side
    4,092.08x = 8,097,522.14
  5. Step 5: Solve for x
    x = 8,097,522.14/4,092.08
  6. Step 6: Final answer
    x = 1,978.83

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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.