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Finding the Fourth Proportional to 7,436.71, 11,156.94 and 5,249.71

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Solution

The fourth proportional to 7,436.71, 11,156.94 and 5,249.71 is: 7,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.71 : 11,156.94 = 5,249.71 : x
  2. Step 2: Convert to fraction form
    7,436.71/11,156.94 = 5,249.71/x
  3. Step 3: Cross multiply
    7,436.71x = 11,156.94 × 5,249.71
  4. Step 4: Simplify right side
    7,436.71x = 58,570,699.49
  5. Step 5: Solve for x
    x = 58,570,699.49/7,436.71
  6. Step 6: Final answer
    x = 7,875.89

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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.