Home / 8,270.31-11,413.23-4,734.66

Finding the Fourth Proportional to 8,270.31, 11,413.23 and 4,734.66

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Solution

The fourth proportional to 8,270.31, 11,413.23 and 4,734.66 is: 6,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.31 : 11,413.23 = 4,734.66 : x
  2. Step 2: Convert to fraction form
    8,270.31/11,413.23 = 4,734.66/x
  3. Step 3: Cross multiply
    8,270.31x = 11,413.23 × 4,734.66
  4. Step 4: Simplify right side
    8,270.31x = 54,037,763.55
  5. Step 5: Solve for x
    x = 54,037,763.55/8,270.31
  6. Step 6: Final answer
    x = 6,533.95

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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.