Home / 7,413.20-10,231.24-4,270.80

Finding the Fourth Proportional to 7,413.20, 10,231.24 and 4,270.80

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Solution

The fourth proportional to 7,413.20, 10,231.24 and 4,270.80 is: 5,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.20 : 10,231.24 = 4,270.80 : x
  2. Step 2: Convert to fraction form
    7,413.20/10,231.24 = 4,270.80/x
  3. Step 3: Cross multiply
    7,413.20x = 10,231.24 × 4,270.80
  4. Step 4: Simplify right side
    7,413.20x = 43,695,579.79
  5. Step 5: Solve for x
    x = 43,695,579.79/7,413.20
  6. Step 6: Final answer
    x = 5,894.29

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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.