Home / 4,490.56-6,735.74-1,203.65

Finding the Fourth Proportional to 4,490.56, 6,735.74 and 1,203.65

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Solution

The fourth proportional to 4,490.56, 6,735.74 and 1,203.65 is: 1,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.56 : 6,735.74 = 1,203.65 : x
  2. Step 2: Convert to fraction form
    4,490.56/6,735.74 = 1,203.65/x
  3. Step 3: Cross multiply
    4,490.56x = 6,735.74 × 1,203.65
  4. Step 4: Simplify right side
    4,490.56x = 8,107,473.45
  5. Step 5: Solve for x
    x = 8,107,473.45/4,490.56
  6. Step 6: Final answer
    x = 1,805.45

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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.