Home / 4,919.60-6,788.72-3,675.44

Finding the Fourth Proportional to 4,919.60, 6,788.72 and 3,675.44

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Solution

The fourth proportional to 4,919.60, 6,788.72 and 3,675.44 is: 5,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.60 : 6,788.72 = 3,675.44 : x
  2. Step 2: Convert to fraction form
    4,919.60/6,788.72 = 3,675.44/x
  3. Step 3: Cross multiply
    4,919.60x = 6,788.72 × 3,675.44
  4. Step 4: Simplify right side
    4,919.60x = 24,951,533.04
  5. Step 5: Solve for x
    x = 24,951,533.04/4,919.60
  6. Step 6: Final answer
    x = 5,071.86

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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.