Home / 8,270.80-11,413.47-4,733.89

Finding the Fourth Proportional to 8,270.80, 11,413.47 and 4,733.89

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Solution

The fourth proportional to 8,270.80, 11,413.47 and 4,733.89 is: 6,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.80 : 11,413.47 = 4,733.89 : x
  2. Step 2: Convert to fraction form
    8,270.80/11,413.47 = 4,733.89/x
  3. Step 3: Cross multiply
    8,270.80x = 11,413.47 × 4,733.89
  4. Step 4: Simplify right side
    8,270.80x = 54,030,111.50
  5. Step 5: Solve for x
    x = 54,030,111.50/8,270.80
  6. Step 6: Final answer
    x = 6,532.63

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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.