Home / 6,942.60-9,579.26-4,108.56

Finding the Fourth Proportional to 6,942.60, 9,579.26 and 4,108.56

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Solution

The fourth proportional to 6,942.60, 9,579.26 and 4,108.56 is: 5,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.60 : 9,579.26 = 4,108.56 : x
  2. Step 2: Convert to fraction form
    6,942.60/9,579.26 = 4,108.56/x
  3. Step 3: Cross multiply
    6,942.60x = 9,579.26 × 4,108.56
  4. Step 4: Simplify right side
    6,942.60x = 39,356,979.23
  5. Step 5: Solve for x
    x = 39,356,979.23/6,942.60
  6. Step 6: Final answer
    x = 5,668.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.