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Finding the Fourth Proportional to 7,493, 11,241.32 and 2,495.36

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Solution

The fourth proportional to 7,493, 11,241.32 and 2,495.36 is: 3,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493 : 11,241.32 = 2,495.36 : x
  2. Step 2: Convert to fraction form
    7,493/11,241.32 = 2,495.36/x
  3. Step 3: Cross multiply
    7,493x = 11,241.32 × 2,495.36
  4. Step 4: Simplify right side
    7,493x = 28,051,140.28
  5. Step 5: Solve for x
    x = 28,051,140.28/7,493
  6. Step 6: Final answer
    x = 3,743.65

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Why These Related Problems?

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