Home / 4,442.62-6,660.90-1,668.78

Finding the Fourth Proportional to 4,442.62, 6,660.90 and 1,668.78

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Solution

The fourth proportional to 4,442.62, 6,660.90 and 1,668.78 is: 2,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.62 : 6,660.90 = 1,668.78 : x
  2. Step 2: Convert to fraction form
    4,442.62/6,660.90 = 1,668.78/x
  3. Step 3: Cross multiply
    4,442.62x = 6,660.90 × 1,668.78
  4. Step 4: Simplify right side
    4,442.62x = 11,115,576.70
  5. Step 5: Solve for x
    x = 11,115,576.70/4,442.62
  6. Step 6: Final answer
    x = 2,502.03

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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.