Home / 6,945.36-10,413.94-2,787.32

Finding the Fourth Proportional to 6,945.36, 10,413.94 and 2,787.32

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Solution

The fourth proportional to 6,945.36, 10,413.94 and 2,787.32 is: 4,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.36 : 10,413.94 = 2,787.32 : x
  2. Step 2: Convert to fraction form
    6,945.36/10,413.94 = 2,787.32/x
  3. Step 3: Cross multiply
    6,945.36x = 10,413.94 × 2,787.32
  4. Step 4: Simplify right side
    6,945.36x = 29,026,983.24
  5. Step 5: Solve for x
    x = 29,026,983.24/6,945.36
  6. Step 6: Final answer
    x = 4,179.33

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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.