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Finding the Fourth Proportional to 4,303.78, 6,454.26 and 1,381.39

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Solution

The fourth proportional to 4,303.78, 6,454.26 and 1,381.39 is: 2,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.78 : 6,454.26 = 1,381.39 : x
  2. Step 2: Convert to fraction form
    4,303.78/6,454.26 = 1,381.39/x
  3. Step 3: Cross multiply
    4,303.78x = 6,454.26 × 1,381.39
  4. Step 4: Simplify right side
    4,303.78x = 8,915,850.22
  5. Step 5: Solve for x
    x = 8,915,850.22/4,303.78
  6. Step 6: Final answer
    x = 2,071.63

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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.