Home / 5,171.73-7,138.59-2,935.09

Finding the Fourth Proportional to 5,171.73, 7,138.59 and 2,935.09

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Solution

The fourth proportional to 5,171.73, 7,138.59 and 2,935.09 is: 4,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.73 : 7,138.59 = 2,935.09 : x
  2. Step 2: Convert to fraction form
    5,171.73/7,138.59 = 2,935.09/x
  3. Step 3: Cross multiply
    5,171.73x = 7,138.59 × 2,935.09
  4. Step 4: Simplify right side
    5,171.73x = 20,952,404.12
  5. Step 5: Solve for x
    x = 20,952,404.12/5,171.73
  6. Step 6: Final answer
    x = 4,051.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.