Home / 4,186.58-6,279.89-1,413.27

Finding the Fourth Proportional to 4,186.58, 6,279.89 and 1,413.27

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Solution

The fourth proportional to 4,186.58, 6,279.89 and 1,413.27 is: 2,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.58 : 6,279.89 = 1,413.27 : x
  2. Step 2: Convert to fraction form
    4,186.58/6,279.89 = 1,413.27/x
  3. Step 3: Cross multiply
    4,186.58x = 6,279.89 × 1,413.27
  4. Step 4: Simplify right side
    4,186.58x = 8,875,173.07
  5. Step 5: Solve for x
    x = 8,875,173.07/4,186.58
  6. Step 6: Final answer
    x = 2,119.91

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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.