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Finding the Fourth Proportional to 9,010.07, 13,518 and 4,078.39

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Solution

The fourth proportional to 9,010.07, 13,518 and 4,078.39 is: 6,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.07 : 13,518 = 4,078.39 : x
  2. Step 2: Convert to fraction form
    9,010.07/13,518 = 4,078.39/x
  3. Step 3: Cross multiply
    9,010.07x = 13,518 × 4,078.39
  4. Step 4: Simplify right side
    9,010.07x = 55,131,676.02
  5. Step 5: Solve for x
    x = 55,131,676.02/9,010.07
  6. Step 6: Final answer
    x = 6,118.90

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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.