Home / 8,951.78-13,427.94-4,272.29

Finding the Fourth Proportional to 8,951.78, 13,427.94 and 4,272.29

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Solution

The fourth proportional to 8,951.78, 13,427.94 and 4,272.29 is: 6,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.78 : 13,427.94 = 4,272.29 : x
  2. Step 2: Convert to fraction form
    8,951.78/13,427.94 = 4,272.29/x
  3. Step 3: Cross multiply
    8,951.78x = 13,427.94 × 4,272.29
  4. Step 4: Simplify right side
    8,951.78x = 57,367,986.64
  5. Step 5: Solve for x
    x = 57,367,986.64/8,951.78
  6. Step 6: Final answer
    x = 6,408.55

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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.