Home / 8,424.44-11,625.78-4,647.74

Finding the Fourth Proportional to 8,424.44, 11,625.78 and 4,647.74

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Solution

The fourth proportional to 8,424.44, 11,625.78 and 4,647.74 is: 6,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.44 : 11,625.78 = 4,647.74 : x
  2. Step 2: Convert to fraction form
    8,424.44/11,625.78 = 4,647.74/x
  3. Step 3: Cross multiply
    8,424.44x = 11,625.78 × 4,647.74
  4. Step 4: Simplify right side
    8,424.44x = 54,033,602.74
  5. Step 5: Solve for x
    x = 54,033,602.74/8,424.44
  6. Step 6: Final answer
    x = 6,413.91

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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.