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Finding the Fourth Proportional to 7,018, 10,528.11 and 3,508.27

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Solution

The fourth proportional to 7,018, 10,528.11 and 3,508.27 is: 5,262.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018 : 10,528.11 = 3,508.27 : x
  2. Step 2: Convert to fraction form
    7,018/10,528.11 = 3,508.27/x
  3. Step 3: Cross multiply
    7,018x = 10,528.11 × 3,508.27
  4. Step 4: Simplify right side
    7,018x = 36,935,452.47
  5. Step 5: Solve for x
    x = 36,935,452.47/7,018
  6. Step 6: Final answer
    x = 5,262.96

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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.