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Finding the Fourth Proportional to 8,983.83, 12,399.27 and 5,448.81

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Solution

The fourth proportional to 8,983.83, 12,399.27 and 5,448.81 is: 7,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.83 : 12,399.27 = 5,448.81 : x
  2. Step 2: Convert to fraction form
    8,983.83/12,399.27 = 5,448.81/x
  3. Step 3: Cross multiply
    8,983.83x = 12,399.27 × 5,448.81
  4. Step 4: Simplify right side
    8,983.83x = 67,561,266.37
  5. Step 5: Solve for x
    x = 67,561,266.37/8,983.83
  6. Step 6: Final answer
    x = 7,520.32

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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.