Home / 6,619.73-9,914.48-3,159.41

Finding the Fourth Proportional to 6,619.73, 9,914.48 and 3,159.41

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Solution

The fourth proportional to 6,619.73, 9,914.48 and 3,159.41 is: 4,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.73 : 9,914.48 = 3,159.41 : x
  2. Step 2: Convert to fraction form
    6,619.73/9,914.48 = 3,159.41/x
  3. Step 3: Cross multiply
    6,619.73x = 9,914.48 × 3,159.41
  4. Step 4: Simplify right side
    6,619.73x = 31,323,928.09
  5. Step 5: Solve for x
    x = 31,323,928.09/6,619.73
  6. Step 6: Final answer
    x = 4,731.90

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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.