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Finding the Fourth Proportional to 8,683.58, 11,983.56 and 5,324.45

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Solution

The fourth proportional to 8,683.58, 11,983.56 and 5,324.45 is: 7,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.58 : 11,983.56 = 5,324.45 : x
  2. Step 2: Convert to fraction form
    8,683.58/11,983.56 = 5,324.45/x
  3. Step 3: Cross multiply
    8,683.58x = 11,983.56 × 5,324.45
  4. Step 4: Simplify right side
    8,683.58x = 63,805,806.12
  5. Step 5: Solve for x
    x = 63,805,806.12/8,683.58
  6. Step 6: Final answer
    x = 7,347.87

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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.