Home / 9,128.39-13,694.64-3,285

Finding the Fourth Proportional to 9,128.39, 13,694.64 and 3,285

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Solution

The fourth proportional to 9,128.39, 13,694.64 and 3,285 is: 4,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.39 : 13,694.64 = 3,285 : x
  2. Step 2: Convert to fraction form
    9,128.39/13,694.64 = 3,285/x
  3. Step 3: Cross multiply
    9,128.39x = 13,694.64 × 3,285
  4. Step 4: Simplify right side
    9,128.39x = 44,986,892.40
  5. Step 5: Solve for x
    x = 44,986,892.40/9,128.39
  6. Step 6: Final answer
    x = 4,928.24

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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.