Home / 8,413.47-12,618.77-3,795.39

Finding the Fourth Proportional to 8,413.47, 12,618.77 and 3,795.39

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Solution

The fourth proportional to 8,413.47, 12,618.77 and 3,795.39 is: 5,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.47 : 12,618.77 = 3,795.39 : x
  2. Step 2: Convert to fraction form
    8,413.47/12,618.77 = 3,795.39/x
  3. Step 3: Cross multiply
    8,413.47x = 12,618.77 × 3,795.39
  4. Step 4: Simplify right side
    8,413.47x = 47,893,134.49
  5. Step 5: Solve for x
    x = 47,893,134.49/8,413.47
  6. Step 6: Final answer
    x = 5,692.44

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1.5x scale

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.