Home / 8,929.69-13,394.85-3,383.44

Finding the Fourth Proportional to 8,929.69, 13,394.85 and 3,383.44

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Solution

The fourth proportional to 8,929.69, 13,394.85 and 3,383.44 is: 5,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.69 : 13,394.85 = 3,383.44 : x
  2. Step 2: Convert to fraction form
    8,929.69/13,394.85 = 3,383.44/x
  3. Step 3: Cross multiply
    8,929.69x = 13,394.85 × 3,383.44
  4. Step 4: Simplify right side
    8,929.69x = 45,320,644.14
  5. Step 5: Solve for x
    x = 45,320,644.14/8,929.69
  6. Step 6: Final answer
    x = 5,075.28

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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.