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Finding the Fourth Proportional to 9,291.66, 13,943.83 and 3,745.43

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Solution

The fourth proportional to 9,291.66, 13,943.83 and 3,745.43 is: 5,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.66 : 13,943.83 = 3,745.43 : x
  2. Step 2: Convert to fraction form
    9,291.66/13,943.83 = 3,745.43/x
  3. Step 3: Cross multiply
    9,291.66x = 13,943.83 × 3,745.43
  4. Step 4: Simplify right side
    9,291.66x = 52,225,620.47
  5. Step 5: Solve for x
    x = 52,225,620.47/9,291.66
  6. Step 6: Final answer
    x = 5,620.70

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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.