Home / 4,621.76-6,930.10-2,276.60

Finding the Fourth Proportional to 4,621.76, 6,930.10 and 2,276.60

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Solution

The fourth proportional to 4,621.76, 6,930.10 and 2,276.60 is: 3,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.76 : 6,930.10 = 2,276.60 : x
  2. Step 2: Convert to fraction form
    4,621.76/6,930.10 = 2,276.60/x
  3. Step 3: Cross multiply
    4,621.76x = 6,930.10 × 2,276.60
  4. Step 4: Simplify right side
    4,621.76x = 15,777,054.28
  5. Step 5: Solve for x
    x = 15,777,054.28/4,621.76
  6. Step 6: Final answer
    x = 3,413.65

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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.