Home / 9,129.88-13,694.46-3,283.12

Finding the Fourth Proportional to 9,129.88, 13,694.46 and 3,283.12

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Solution

The fourth proportional to 9,129.88, 13,694.46 and 3,283.12 is: 4,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.88 : 13,694.46 = 3,283.12 : x
  2. Step 2: Convert to fraction form
    9,129.88/13,694.46 = 3,283.12/x
  3. Step 3: Cross multiply
    9,129.88x = 13,694.46 × 3,283.12
  4. Step 4: Simplify right side
    9,129.88x = 44,960,555.52
  5. Step 5: Solve for x
    x = 44,960,555.52/9,129.88
  6. Step 6: Final answer
    x = 4,924.55

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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.