Home / 4,647.35-6,413.64-3,072.71

Finding the Fourth Proportional to 4,647.35, 6,413.64 and 3,072.71

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Solution

The fourth proportional to 4,647.35, 6,413.64 and 3,072.71 is: 4,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.35 : 6,413.64 = 3,072.71 : x
  2. Step 2: Convert to fraction form
    4,647.35/6,413.64 = 3,072.71/x
  3. Step 3: Cross multiply
    4,647.35x = 6,413.64 × 3,072.71
  4. Step 4: Simplify right side
    4,647.35x = 19,707,255.76
  5. Step 5: Solve for x
    x = 19,707,255.76/4,647.35
  6. Step 6: Final answer
    x = 4,240.54

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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.