Home / 7,234.50-9,983.67-3,922.50

Finding the Fourth Proportional to 7,234.50, 9,983.67 and 3,922.50

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Solution

The fourth proportional to 7,234.50, 9,983.67 and 3,922.50 is: 5,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.50 : 9,983.67 = 3,922.50 : x
  2. Step 2: Convert to fraction form
    7,234.50/9,983.67 = 3,922.50/x
  3. Step 3: Cross multiply
    7,234.50x = 9,983.67 × 3,922.50
  4. Step 4: Simplify right side
    7,234.50x = 39,160,945.58
  5. Step 5: Solve for x
    x = 39,160,945.58/7,234.50
  6. Step 6: Final answer
    x = 5,413.08

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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.