Home / 4,186.89-6,281.01-1,413.81

Finding the Fourth Proportional to 4,186.89, 6,281.01 and 1,413.81

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Solution

The fourth proportional to 4,186.89, 6,281.01 and 1,413.81 is: 2,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.89 : 6,281.01 = 1,413.81 : x
  2. Step 2: Convert to fraction form
    4,186.89/6,281.01 = 1,413.81/x
  3. Step 3: Cross multiply
    4,186.89x = 6,281.01 × 1,413.81
  4. Step 4: Simplify right side
    4,186.89x = 8,880,154.75
  5. Step 5: Solve for x
    x = 8,880,154.75/4,186.89
  6. Step 6: Final answer
    x = 2,120.94

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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.