Home / 4,579.78-6,865.04-1,805.38

Finding the Fourth Proportional to 4,579.78, 6,865.04 and 1,805.38

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Solution

The fourth proportional to 4,579.78, 6,865.04 and 1,805.38 is: 2,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.78 : 6,865.04 = 1,805.38 : x
  2. Step 2: Convert to fraction form
    4,579.78/6,865.04 = 1,805.38/x
  3. Step 3: Cross multiply
    4,579.78x = 6,865.04 × 1,805.38
  4. Step 4: Simplify right side
    4,579.78x = 12,394,005.92
  5. Step 5: Solve for x
    x = 12,394,005.92/4,579.78
  6. Step 6: Final answer
    x = 2,706.24

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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.