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Finding the Fourth Proportional to 8,544.48, 12,816.72 and 2,388.32

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Solution

The fourth proportional to 8,544.48, 12,816.72 and 2,388.32 is: 3,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.48 : 12,816.72 = 2,388.32 : x
  2. Step 2: Convert to fraction form
    8,544.48/12,816.72 = 2,388.32/x
  3. Step 3: Cross multiply
    8,544.48x = 12,816.72 × 2,388.32
  4. Step 4: Simplify right side
    8,544.48x = 30,610,428.71
  5. Step 5: Solve for x
    x = 30,610,428.71/8,544.48
  6. Step 6: Final answer
    x = 3,582.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.