Home / 9,758.79-14,640.45-3,185.01

Finding the Fourth Proportional to 9,758.79, 14,640.45 and 3,185.01

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Solution

The fourth proportional to 9,758.79, 14,640.45 and 3,185.01 is: 4,778.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758.79 : 14,640.45 = 3,185.01 : x
  2. Step 2: Convert to fraction form
    9,758.79/14,640.45 = 3,185.01/x
  3. Step 3: Cross multiply
    9,758.79x = 14,640.45 × 3,185.01
  4. Step 4: Simplify right side
    9,758.79x = 46,629,979.65
  5. Step 5: Solve for x
    x = 46,629,979.65/9,758.79
  6. Step 6: Final answer
    x = 4,778.25

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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.