Home / 6,413.30-8,850.79-3,580.68

Finding the Fourth Proportional to 6,413.30, 8,850.79 and 3,580.68

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Solution

The fourth proportional to 6,413.30, 8,850.79 and 3,580.68 is: 4,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.30 : 8,850.79 = 3,580.68 : x
  2. Step 2: Convert to fraction form
    6,413.30/8,850.79 = 3,580.68/x
  3. Step 3: Cross multiply
    6,413.30x = 8,850.79 × 3,580.68
  4. Step 4: Simplify right side
    6,413.30x = 31,691,846.74
  5. Step 5: Solve for x
    x = 31,691,846.74/6,413.30
  6. Step 6: Final answer
    x = 4,941.58

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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.