Home / 4,262.33-6,389.73-1,663.45

Finding the Fourth Proportional to 4,262.33, 6,389.73 and 1,663.45

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Solution

The fourth proportional to 4,262.33, 6,389.73 and 1,663.45 is: 2,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.33 : 6,389.73 = 1,663.45 : x
  2. Step 2: Convert to fraction form
    4,262.33/6,389.73 = 1,663.45/x
  3. Step 3: Cross multiply
    4,262.33x = 6,389.73 × 1,663.45
  4. Step 4: Simplify right side
    4,262.33x = 10,628,996.37
  5. Step 5: Solve for x
    x = 10,628,996.37/4,262.33
  6. Step 6: Final answer
    x = 2,493.71

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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.