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Finding the Fourth Proportional to 7,314, 10,093.32 and 4,002

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Solution

The fourth proportional to 7,314, 10,093.32 and 4,002 is: 5,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314 : 10,093.32 = 4,002 : x
  2. Step 2: Convert to fraction form
    7,314/10,093.32 = 4,002/x
  3. Step 3: Cross multiply
    7,314x = 10,093.32 × 4,002
  4. Step 4: Simplify right side
    7,314x = 40,393,466.64
  5. Step 5: Solve for x
    x = 40,393,466.64/7,314
  6. Step 6: Final answer
    x = 5,522.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.