Home / 4,427-6,636.04-2,784.72

Finding the Fourth Proportional to 4,427, 6,636.04 and 2,784.72

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Solution

The fourth proportional to 4,427, 6,636.04 and 2,784.72 is: 4,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427 : 6,636.04 = 2,784.72 : x
  2. Step 2: Convert to fraction form
    4,427/6,636.04 = 2,784.72/x
  3. Step 3: Cross multiply
    4,427x = 6,636.04 × 2,784.72
  4. Step 4: Simplify right side
    4,427x = 18,479,513.31
  5. Step 5: Solve for x
    x = 18,479,513.31/4,427
  6. Step 6: Final answer
    x = 4,174.27

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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.