Home / 4,751.33-7,126.99-1,288.58

Finding the Fourth Proportional to 4,751.33, 7,126.99 and 1,288.58

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Solution

The fourth proportional to 4,751.33, 7,126.99 and 1,288.58 is: 1,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.33 : 7,126.99 = 1,288.58 : x
  2. Step 2: Convert to fraction form
    4,751.33/7,126.99 = 1,288.58/x
  3. Step 3: Cross multiply
    4,751.33x = 7,126.99 × 1,288.58
  4. Step 4: Simplify right side
    4,751.33x = 9,183,654.70
  5. Step 5: Solve for x
    x = 9,183,654.70/4,751.33
  6. Step 6: Final answer
    x = 1,932.86

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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.