Home / 9,078.78-13,619.54-3,234.94

Finding the Fourth Proportional to 9,078.78, 13,619.54 and 3,234.94

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Solution

The fourth proportional to 9,078.78, 13,619.54 and 3,234.94 is: 4,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.78 : 13,619.54 = 3,234.94 : x
  2. Step 2: Convert to fraction form
    9,078.78/13,619.54 = 3,234.94/x
  3. Step 3: Cross multiply
    9,078.78x = 13,619.54 × 3,234.94
  4. Step 4: Simplify right side
    9,078.78x = 44,058,368.77
  5. Step 5: Solve for x
    x = 44,058,368.77/9,078.78
  6. Step 6: Final answer
    x = 4,852.89

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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.