Home / 4,279.64-5,907.62-3,619.89

Finding the Fourth Proportional to 4,279.64, 5,907.62 and 3,619.89

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Solution

The fourth proportional to 4,279.64, 5,907.62 and 3,619.89 is: 4,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.64 : 5,907.62 = 3,619.89 : x
  2. Step 2: Convert to fraction form
    4,279.64/5,907.62 = 3,619.89/x
  3. Step 3: Cross multiply
    4,279.64x = 5,907.62 × 3,619.89
  4. Step 4: Simplify right side
    4,279.64x = 21,384,916.46
  5. Step 5: Solve for x
    x = 21,384,916.46/4,279.64
  6. Step 6: Final answer
    x = 4,996.90

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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.