Home / 4,788.29-7,180.01-2,189

Finding the Fourth Proportional to 4,788.29, 7,180.01 and 2,189

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Solution

The fourth proportional to 4,788.29, 7,180.01 and 2,189 is: 3,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.29 : 7,180.01 = 2,189 : x
  2. Step 2: Convert to fraction form
    4,788.29/7,180.01 = 2,189/x
  3. Step 3: Cross multiply
    4,788.29x = 7,180.01 × 2,189
  4. Step 4: Simplify right side
    4,788.29x = 15,717,030.95
  5. Step 5: Solve for x
    x = 15,717,030.95/4,788.29
  6. Step 6: Final answer
    x = 3,282.39

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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.