Home / 4,758.92-7,136.60-1,638.06

Finding the Fourth Proportional to 4,758.92, 7,136.60 and 1,638.06

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Solution

The fourth proportional to 4,758.92, 7,136.60 and 1,638.06 is: 2,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.92 : 7,136.60 = 1,638.06 : x
  2. Step 2: Convert to fraction form
    4,758.92/7,136.60 = 1,638.06/x
  3. Step 3: Cross multiply
    4,758.92x = 7,136.60 × 1,638.06
  4. Step 4: Simplify right side
    4,758.92x = 11,690,179.00
  5. Step 5: Solve for x
    x = 11,690,179.00/4,758.92
  6. Step 6: Final answer
    x = 2,456.48

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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.