Home / 9,390.78-14,083.74-3,843.09

Finding the Fourth Proportional to 9,390.78, 14,083.74 and 3,843.09

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Solution

The fourth proportional to 9,390.78, 14,083.74 and 3,843.09 is: 5,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.78 : 14,083.74 = 3,843.09 : x
  2. Step 2: Convert to fraction form
    9,390.78/14,083.74 = 3,843.09/x
  3. Step 3: Cross multiply
    9,390.78x = 14,083.74 × 3,843.09
  4. Step 4: Simplify right side
    9,390.78x = 54,125,080.36
  5. Step 5: Solve for x
    x = 54,125,080.36/9,390.78
  6. Step 6: Final answer
    x = 5,763.64

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1.5x scale

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.