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Finding the Fourth Proportional to 5,676.52, 8,508.12 and 5,028.52

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Solution

The fourth proportional to 5,676.52, 8,508.12 and 5,028.52 is: 7,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.52 : 8,508.12 = 5,028.52 : x
  2. Step 2: Convert to fraction form
    5,676.52/8,508.12 = 5,028.52/x
  3. Step 3: Cross multiply
    5,676.52x = 8,508.12 × 5,028.52
  4. Step 4: Simplify right side
    5,676.52x = 42,783,251.58
  5. Step 5: Solve for x
    x = 42,783,251.58/5,676.52
  6. Step 6: Final answer
    x = 7,536.88

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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.