Home / 4,424.37-6,636.34-1,719.78

Finding the Fourth Proportional to 4,424.37, 6,636.34 and 1,719.78

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Solution

The fourth proportional to 4,424.37, 6,636.34 and 1,719.78 is: 2,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,424.37 : 6,636.34 = 1,719.78 : x
  2. Step 2: Convert to fraction form
    4,424.37/6,636.34 = 1,719.78/x
  3. Step 3: Cross multiply
    4,424.37x = 6,636.34 × 1,719.78
  4. Step 4: Simplify right side
    4,424.37x = 11,413,044.81
  5. Step 5: Solve for x
    x = 11,413,044.81/4,424.37
  6. Step 6: Final answer
    x = 2,579.59

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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.