Home / 8,424.22-11,625.26-4,647.73

Finding the Fourth Proportional to 8,424.22, 11,625.26 and 4,647.73

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Solution

The fourth proportional to 8,424.22, 11,625.26 and 4,647.73 is: 6,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.22 : 11,625.26 = 4,647.73 : x
  2. Step 2: Convert to fraction form
    8,424.22/11,625.26 = 4,647.73/x
  3. Step 3: Cross multiply
    8,424.22x = 11,625.26 × 4,647.73
  4. Step 4: Simplify right side
    8,424.22x = 54,031,069.66
  5. Step 5: Solve for x
    x = 54,031,069.66/8,424.22
  6. Step 6: Final answer
    x = 6,413.78

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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.