Home / 7,222.08-10,851.36-6,930.48

Finding the Fourth Proportional to 7,222.08, 10,851.36 and 6,930.48

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Solution

The fourth proportional to 7,222.08, 10,851.36 and 6,930.48 is: 10,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.08 : 10,851.36 = 6,930.48 : x
  2. Step 2: Convert to fraction form
    7,222.08/10,851.36 = 6,930.48/x
  3. Step 3: Cross multiply
    7,222.08x = 10,851.36 × 6,930.48
  4. Step 4: Simplify right side
    7,222.08x = 75,205,133.45
  5. Step 5: Solve for x
    x = 75,205,133.45/7,222.08
  6. Step 6: Final answer
    x = 10,413.22

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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.