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Finding the Fourth Proportional to 8,930, 13,395.18 and 3,735.92

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Solution

The fourth proportional to 8,930, 13,395.18 and 3,735.92 is: 5,603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930 : 13,395.18 = 3,735.92 : x
  2. Step 2: Convert to fraction form
    8,930/13,395.18 = 3,735.92/x
  3. Step 3: Cross multiply
    8,930x = 13,395.18 × 3,735.92
  4. Step 4: Simplify right side
    8,930x = 50,043,320.87
  5. Step 5: Solve for x
    x = 50,043,320.87/8,930
  6. Step 6: Final answer
    x = 5,603.96

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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.