Home / 6,939.34-10,413.65-2,556.79

Finding the Fourth Proportional to 6,939.34, 10,413.65 and 2,556.79

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Solution

The fourth proportional to 6,939.34, 10,413.65 and 2,556.79 is: 3,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.34 : 10,413.65 = 2,556.79 : x
  2. Step 2: Convert to fraction form
    6,939.34/10,413.65 = 2,556.79/x
  3. Step 3: Cross multiply
    6,939.34x = 10,413.65 × 2,556.79
  4. Step 4: Simplify right side
    6,939.34x = 26,625,496.54
  5. Step 5: Solve for x
    x = 26,625,496.54/6,939.34
  6. Step 6: Final answer
    x = 3,836.89

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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.