Home / 4,039.92-5,576.52-3,413.78

Finding the Fourth Proportional to 4,039.92, 5,576.52 and 3,413.78

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Solution

The fourth proportional to 4,039.92, 5,576.52 and 3,413.78 is: 4,712.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.92 : 5,576.52 = 3,413.78 : x
  2. Step 2: Convert to fraction form
    4,039.92/5,576.52 = 3,413.78/x
  3. Step 3: Cross multiply
    4,039.92x = 5,576.52 × 3,413.78
  4. Step 4: Simplify right side
    4,039.92x = 19,036,967.49
  5. Step 5: Solve for x
    x = 19,036,967.49/4,039.92
  6. Step 6: Final answer
    x = 4,712.21

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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.