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Finding the Fourth Proportional to 8,557.03, 11,808.75 and 5,199.58

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Solution

The fourth proportional to 8,557.03, 11,808.75 and 5,199.58 is: 7,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.03 : 11,808.75 = 5,199.58 : x
  2. Step 2: Convert to fraction form
    8,557.03/11,808.75 = 5,199.58/x
  3. Step 3: Cross multiply
    8,557.03x = 11,808.75 × 5,199.58
  4. Step 4: Simplify right side
    8,557.03x = 61,400,540.33
  5. Step 5: Solve for x
    x = 61,400,540.33/8,557.03
  6. Step 6: Final answer
    x = 7,175.45

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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.