Home / 4,321.73-6,476.49-1,721.63

Finding the Fourth Proportional to 4,321.73, 6,476.49 and 1,721.63

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Solution

The fourth proportional to 4,321.73, 6,476.49 and 1,721.63 is: 2,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.73 : 6,476.49 = 1,721.63 : x
  2. Step 2: Convert to fraction form
    4,321.73/6,476.49 = 1,721.63/x
  3. Step 3: Cross multiply
    4,321.73x = 6,476.49 × 1,721.63
  4. Step 4: Simplify right side
    4,321.73x = 11,150,087.10
  5. Step 5: Solve for x
    x = 11,150,087.10/4,321.73
  6. Step 6: Final answer
    x = 2,580.01

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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.