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Finding the Fourth Proportional to 9,196.59, 12,690.92 and 5,218.46

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Solution

The fourth proportional to 9,196.59, 12,690.92 and 5,218.46 is: 7,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196.59 : 12,690.92 = 5,218.46 : x
  2. Step 2: Convert to fraction form
    9,196.59/12,690.92 = 5,218.46/x
  3. Step 3: Cross multiply
    9,196.59x = 12,690.92 × 5,218.46
  4. Step 4: Simplify right side
    9,196.59x = 66,226,968.84
  5. Step 5: Solve for x
    x = 66,226,968.84/9,196.59
  6. Step 6: Final answer
    x = 7,201.25

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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.