Home / 8,423.94-11,625.38-4,647.54

Finding the Fourth Proportional to 8,423.94, 11,625.38 and 4,647.54

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Solution

The fourth proportional to 8,423.94, 11,625.38 and 4,647.54 is: 6,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.94 : 11,625.38 = 4,647.54 : x
  2. Step 2: Convert to fraction form
    8,423.94/11,625.38 = 4,647.54/x
  3. Step 3: Cross multiply
    8,423.94x = 11,625.38 × 4,647.54
  4. Step 4: Simplify right side
    8,423.94x = 54,029,337.20
  5. Step 5: Solve for x
    x = 54,029,337.20/8,423.94
  6. Step 6: Final answer
    x = 6,413.79

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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.