Home / 4,495.60-6,738.79-1,721.55

Finding the Fourth Proportional to 4,495.60, 6,738.79 and 1,721.55

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Solution

The fourth proportional to 4,495.60, 6,738.79 and 1,721.55 is: 2,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,495.60 : 6,738.79 = 1,721.55 : x
  2. Step 2: Convert to fraction form
    4,495.60/6,738.79 = 1,721.55/x
  3. Step 3: Cross multiply
    4,495.60x = 6,738.79 × 1,721.55
  4. Step 4: Simplify right side
    4,495.60x = 11,601,155.32
  5. Step 5: Solve for x
    x = 11,601,155.32/4,495.60
  6. Step 6: Final answer
    x = 2,580.56

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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.