Home / 4,788.39-7,181.33-2,154.42

Finding the Fourth Proportional to 4,788.39, 7,181.33 and 2,154.42

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Solution

The fourth proportional to 4,788.39, 7,181.33 and 2,154.42 is: 3,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.39 : 7,181.33 = 2,154.42 : x
  2. Step 2: Convert to fraction form
    4,788.39/7,181.33 = 2,154.42/x
  3. Step 3: Cross multiply
    4,788.39x = 7,181.33 × 2,154.42
  4. Step 4: Simplify right side
    4,788.39x = 15,471,590.21
  5. Step 5: Solve for x
    x = 15,471,590.21/4,788.39
  6. Step 6: Final answer
    x = 3,231.06

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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.