Home / 9,107.45-13,670.89-3,916.97

Finding the Fourth Proportional to 9,107.45, 13,670.89 and 3,916.97

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Solution

The fourth proportional to 9,107.45, 13,670.89 and 3,916.97 is: 5,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.45 : 13,670.89 = 3,916.97 : x
  2. Step 2: Convert to fraction form
    9,107.45/13,670.89 = 3,916.97/x
  3. Step 3: Cross multiply
    9,107.45x = 13,670.89 × 3,916.97
  4. Step 4: Simplify right side
    9,107.45x = 53,548,466.00
  5. Step 5: Solve for x
    x = 53,548,466.00/9,107.45
  6. Step 6: Final answer
    x = 5,879.63

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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.