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Finding the Fourth Proportional to 7,337, 10,998.21 and 3,434.42

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Solution

The fourth proportional to 7,337, 10,998.21 and 3,434.42 is: 5,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337 : 10,998.21 = 3,434.42 : x
  2. Step 2: Convert to fraction form
    7,337/10,998.21 = 3,434.42/x
  3. Step 3: Cross multiply
    7,337x = 10,998.21 × 3,434.42
  4. Step 4: Simplify right side
    7,337x = 37,772,472.39
  5. Step 5: Solve for x
    x = 37,772,472.39/7,337
  6. Step 6: Final answer
    x = 5,148.22

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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.