Home / 4,440.19-6,653.40-3,121.60

Finding the Fourth Proportional to 4,440.19, 6,653.40 and 3,121.60

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Solution

The fourth proportional to 4,440.19, 6,653.40 and 3,121.60 is: 4,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.19 : 6,653.40 = 3,121.60 : x
  2. Step 2: Convert to fraction form
    4,440.19/6,653.40 = 3,121.60/x
  3. Step 3: Cross multiply
    4,440.19x = 6,653.40 × 3,121.60
  4. Step 4: Simplify right side
    4,440.19x = 20,769,253.44
  5. Step 5: Solve for x
    x = 20,769,253.44/4,440.19
  6. Step 6: Final answer
    x = 4,677.56

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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.