Home / 7,218.50-10,823.09-4,745.82

Finding the Fourth Proportional to 7,218.50, 10,823.09 and 4,745.82

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Solution

The fourth proportional to 7,218.50, 10,823.09 and 4,745.82 is: 7,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.50 : 10,823.09 = 4,745.82 : x
  2. Step 2: Convert to fraction form
    7,218.50/10,823.09 = 4,745.82/x
  3. Step 3: Cross multiply
    7,218.50x = 10,823.09 × 4,745.82
  4. Step 4: Simplify right side
    7,218.50x = 51,364,413.25
  5. Step 5: Solve for x
    x = 51,364,413.25/7,218.50
  6. Step 6: Final answer
    x = 7,115.67

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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.