Home / 4,187.51-6,279.39-1,413.46

Finding the Fourth Proportional to 4,187.51, 6,279.39 and 1,413.46

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Solution

The fourth proportional to 4,187.51, 6,279.39 and 1,413.46 is: 2,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.51 : 6,279.39 = 1,413.46 : x
  2. Step 2: Convert to fraction form
    4,187.51/6,279.39 = 1,413.46/x
  3. Step 3: Cross multiply
    4,187.51x = 6,279.39 × 1,413.46
  4. Step 4: Simplify right side
    4,187.51x = 8,875,674.44
  5. Step 5: Solve for x
    x = 8,875,674.44/4,187.51
  6. Step 6: Final answer
    x = 2,119.56

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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.