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Finding the Fourth Proportional to 5,383, 7,430.94 and 3,791.08

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Solution

The fourth proportional to 5,383, 7,430.94 and 3,791.08 is: 5,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383 : 7,430.94 = 3,791.08 : x
  2. Step 2: Convert to fraction form
    5,383/7,430.94 = 3,791.08/x
  3. Step 3: Cross multiply
    5,383x = 7,430.94 × 3,791.08
  4. Step 4: Simplify right side
    5,383x = 28,171,288.02
  5. Step 5: Solve for x
    x = 28,171,288.02/5,383
  6. Step 6: Final answer
    x = 5,233.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.