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Finding the Fourth Proportional to 5,338.49, 7,998.01 and 3,936.38

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Solution

The fourth proportional to 5,338.49, 7,998.01 and 3,936.38 is: 5,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.49 : 7,998.01 = 3,936.38 : x
  2. Step 2: Convert to fraction form
    5,338.49/7,998.01 = 3,936.38/x
  3. Step 3: Cross multiply
    5,338.49x = 7,998.01 × 3,936.38
  4. Step 4: Simplify right side
    5,338.49x = 31,483,156.77
  5. Step 5: Solve for x
    x = 31,483,156.77/5,338.49
  6. Step 6: Final answer
    x = 5,897.40

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1.5x scale

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.