Home / 4,435.88-6,646.19-2,788.34

Finding the Fourth Proportional to 4,435.88, 6,646.19 and 2,788.34

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Solution

The fourth proportional to 4,435.88, 6,646.19 and 2,788.34 is: 4,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.88 : 6,646.19 = 2,788.34 : x
  2. Step 2: Convert to fraction form
    4,435.88/6,646.19 = 2,788.34/x
  3. Step 3: Cross multiply
    4,435.88x = 6,646.19 × 2,788.34
  4. Step 4: Simplify right side
    4,435.88x = 18,531,790.25
  5. Step 5: Solve for x
    x = 18,531,790.25/4,435.88
  6. Step 6: Final answer
    x = 4,177.71

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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.