Home / 6,823.70-9,413.79-4,936.40

Finding the Fourth Proportional to 6,823.70, 9,413.79 and 4,936.40

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Solution

The fourth proportional to 6,823.70, 9,413.79 and 4,936.40 is: 6,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.70 : 9,413.79 = 4,936.40 : x
  2. Step 2: Convert to fraction form
    6,823.70/9,413.79 = 4,936.40/x
  3. Step 3: Cross multiply
    6,823.70x = 9,413.79 × 4,936.40
  4. Step 4: Simplify right side
    6,823.70x = 46,470,232.96
  5. Step 5: Solve for x
    x = 46,470,232.96/6,823.70
  6. Step 6: Final answer
    x = 6,810.12

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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.