Home / 5,714.98-7,887.43-3,198.06

Finding the Fourth Proportional to 5,714.98, 7,887.43 and 3,198.06

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Solution

The fourth proportional to 5,714.98, 7,887.43 and 3,198.06 is: 4,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.98 : 7,887.43 = 3,198.06 : x
  2. Step 2: Convert to fraction form
    5,714.98/7,887.43 = 3,198.06/x
  3. Step 3: Cross multiply
    5,714.98x = 7,887.43 × 3,198.06
  4. Step 4: Simplify right side
    5,714.98x = 25,224,474.39
  5. Step 5: Solve for x
    x = 25,224,474.39/5,714.98
  6. Step 6: Final answer
    x = 4,413.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.