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Finding the Fourth Proportional to 7,509.03, 11,255.99 and 3,611.31

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Solution

The fourth proportional to 7,509.03, 11,255.99 and 3,611.31 is: 5,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.03 : 11,255.99 = 3,611.31 : x
  2. Step 2: Convert to fraction form
    7,509.03/11,255.99 = 3,611.31/x
  3. Step 3: Cross multiply
    7,509.03x = 11,255.99 × 3,611.31
  4. Step 4: Simplify right side
    7,509.03x = 40,648,851.19
  5. Step 5: Solve for x
    x = 40,648,851.19/7,509.03
  6. Step 6: Final answer
    x = 5,413.33

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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.