Home / 4,253.37-6,371.78-2,788.08

Finding the Fourth Proportional to 4,253.37, 6,371.78 and 2,788.08

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Solution

The fourth proportional to 4,253.37, 6,371.78 and 2,788.08 is: 4,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.37 : 6,371.78 = 2,788.08 : x
  2. Step 2: Convert to fraction form
    4,253.37/6,371.78 = 2,788.08/x
  3. Step 3: Cross multiply
    4,253.37x = 6,371.78 × 2,788.08
  4. Step 4: Simplify right side
    4,253.37x = 17,765,018.44
  5. Step 5: Solve for x
    x = 17,765,018.44/4,253.37
  6. Step 6: Final answer
    x = 4,176.69

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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.