Home / 4,490.67-6,736.32-1,203.78

Finding the Fourth Proportional to 4,490.67, 6,736.32 and 1,203.78

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Solution

The fourth proportional to 4,490.67, 6,736.32 and 1,203.78 is: 1,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.67 : 6,736.32 = 1,203.78 : x
  2. Step 2: Convert to fraction form
    4,490.67/6,736.32 = 1,203.78/x
  3. Step 3: Cross multiply
    4,490.67x = 6,736.32 × 1,203.78
  4. Step 4: Simplify right side
    4,490.67x = 8,109,047.29
  5. Step 5: Solve for x
    x = 8,109,047.29/4,490.67
  6. Step 6: Final answer
    x = 1,805.75

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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.