Home / 9,091.19-12,546.09-5,112.65

Finding the Fourth Proportional to 9,091.19, 12,546.09 and 5,112.65

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Solution

The fourth proportional to 9,091.19, 12,546.09 and 5,112.65 is: 7,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.19 : 12,546.09 = 5,112.65 : x
  2. Step 2: Convert to fraction form
    9,091.19/12,546.09 = 5,112.65/x
  3. Step 3: Cross multiply
    9,091.19x = 12,546.09 × 5,112.65
  4. Step 4: Simplify right side
    9,091.19x = 64,143,704.31
  5. Step 5: Solve for x
    x = 64,143,704.31/9,091.19
  6. Step 6: Final answer
    x = 7,055.59

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Half scale
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Double scale
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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.