Home / 6,211.26-9,316.90-2,107.26

Finding the Fourth Proportional to 6,211.26, 9,316.90 and 2,107.26

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Solution

The fourth proportional to 6,211.26, 9,316.90 and 2,107.26 is: 3,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.26 : 9,316.90 = 2,107.26 : x
  2. Step 2: Convert to fraction form
    6,211.26/9,316.90 = 2,107.26/x
  3. Step 3: Cross multiply
    6,211.26x = 9,316.90 × 2,107.26
  4. Step 4: Simplify right side
    6,211.26x = 19,633,130.69
  5. Step 5: Solve for x
    x = 19,633,130.69/6,211.26
  6. Step 6: Final answer
    x = 3,160.89

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Double scale
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Similar ratio
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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.