Home / 9,027.78-13,537.80-3,105.27

Finding the Fourth Proportional to 9,027.78, 13,537.80 and 3,105.27

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Solution

The fourth proportional to 9,027.78, 13,537.80 and 3,105.27 is: 4,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.78 : 13,537.80 = 3,105.27 : x
  2. Step 2: Convert to fraction form
    9,027.78/13,537.80 = 3,105.27/x
  3. Step 3: Cross multiply
    9,027.78x = 13,537.80 × 3,105.27
  4. Step 4: Simplify right side
    9,027.78x = 42,038,524.21
  5. Step 5: Solve for x
    x = 42,038,524.21/9,027.78
  6. Step 6: Final answer
    x = 4,656.57

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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.