Home / 7,171.08-9,896.16-4,145.97

Finding the Fourth Proportional to 7,171.08, 9,896.16 and 4,145.97

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Solution

The fourth proportional to 7,171.08, 9,896.16 and 4,145.97 is: 5,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.08 : 9,896.16 = 4,145.97 : x
  2. Step 2: Convert to fraction form
    7,171.08/9,896.16 = 4,145.97/x
  3. Step 3: Cross multiply
    7,171.08x = 9,896.16 × 4,145.97
  4. Step 4: Simplify right side
    7,171.08x = 41,029,182.48
  5. Step 5: Solve for x
    x = 41,029,182.48/7,171.08
  6. Step 6: Final answer
    x = 5,721.48

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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.