Home / 7,609.23-11,413.82-2,678.31

Finding the Fourth Proportional to 7,609.23, 11,413.82 and 2,678.31

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Solution

The fourth proportional to 7,609.23, 11,413.82 and 2,678.31 is: 4,017.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.23 : 11,413.82 = 2,678.31 : x
  2. Step 2: Convert to fraction form
    7,609.23/11,413.82 = 2,678.31/x
  3. Step 3: Cross multiply
    7,609.23x = 11,413.82 × 2,678.31
  4. Step 4: Simplify right side
    7,609.23x = 30,569,754.94
  5. Step 5: Solve for x
    x = 30,569,754.94/7,609.23
  6. Step 6: Final answer
    x = 4,017.46

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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.