Home / 4,619.41-6,374.55-2,629.78

Finding the Fourth Proportional to 4,619.41, 6,374.55 and 2,629.78

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Solution

The fourth proportional to 4,619.41, 6,374.55 and 2,629.78 is: 3,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.41 : 6,374.55 = 2,629.78 : x
  2. Step 2: Convert to fraction form
    4,619.41/6,374.55 = 2,629.78/x
  3. Step 3: Cross multiply
    4,619.41x = 6,374.55 × 2,629.78
  4. Step 4: Simplify right side
    4,619.41x = 16,763,632.23
  5. Step 5: Solve for x
    x = 16,763,632.23/4,619.41
  6. Step 6: Final answer
    x = 3,628.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.