Home / 7,609.12-11,413.74-2,677.63

Finding the Fourth Proportional to 7,609.12, 11,413.74 and 2,677.63

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Solution

The fourth proportional to 7,609.12, 11,413.74 and 2,677.63 is: 4,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.12 : 11,413.74 = 2,677.63 : x
  2. Step 2: Convert to fraction form
    7,609.12/11,413.74 = 2,677.63/x
  3. Step 3: Cross multiply
    7,609.12x = 11,413.74 × 2,677.63
  4. Step 4: Simplify right side
    7,609.12x = 30,561,772.64
  5. Step 5: Solve for x
    x = 30,561,772.64/7,609.12
  6. Step 6: Final answer
    x = 4,016.47

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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.