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Finding the Fourth Proportional to 8,783.54, 12,120.99 and 4,804.68

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Solution

The fourth proportional to 8,783.54, 12,120.99 and 4,804.68 is: 6,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.54 : 12,120.99 = 4,804.68 : x
  2. Step 2: Convert to fraction form
    8,783.54/12,120.99 = 4,804.68/x
  3. Step 3: Cross multiply
    8,783.54x = 12,120.99 × 4,804.68
  4. Step 4: Simplify right side
    8,783.54x = 58,237,478.23
  5. Step 5: Solve for x
    x = 58,237,478.23/8,783.54
  6. Step 6: Final answer
    x = 6,630.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.