Home / 9,178.49-13,758.26-3,629.58

Finding the Fourth Proportional to 9,178.49, 13,758.26 and 3,629.58

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Solution

The fourth proportional to 9,178.49, 13,758.26 and 3,629.58 is: 5,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.49 : 13,758.26 = 3,629.58 : x
  2. Step 2: Convert to fraction form
    9,178.49/13,758.26 = 3,629.58/x
  3. Step 3: Cross multiply
    9,178.49x = 13,758.26 × 3,629.58
  4. Step 4: Simplify right side
    9,178.49x = 49,936,687.18
  5. Step 5: Solve for x
    x = 49,936,687.18/9,178.49
  6. Step 6: Final answer
    x = 5,440.62

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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.