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Finding the Fourth Proportional to 8,828.60, 12,184.63 and 5,693.90

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Solution

The fourth proportional to 8,828.60, 12,184.63 and 5,693.90 is: 7,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.60 : 12,184.63 = 5,693.90 : x
  2. Step 2: Convert to fraction form
    8,828.60/12,184.63 = 5,693.90/x
  3. Step 3: Cross multiply
    8,828.60x = 12,184.63 × 5,693.90
  4. Step 4: Simplify right side
    8,828.60x = 69,377,989.60
  5. Step 5: Solve for x
    x = 69,377,989.60/8,828.60
  6. Step 6: Final answer
    x = 7,858.33

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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.