Home / 5,555.19-7,668.83-3,286.92

Finding the Fourth Proportional to 5,555.19, 7,668.83 and 3,286.92

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Solution

The fourth proportional to 5,555.19, 7,668.83 and 3,286.92 is: 4,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.19 : 7,668.83 = 3,286.92 : x
  2. Step 2: Convert to fraction form
    5,555.19/7,668.83 = 3,286.92/x
  3. Step 3: Cross multiply
    5,555.19x = 7,668.83 × 3,286.92
  4. Step 4: Simplify right side
    5,555.19x = 25,206,814.27
  5. Step 5: Solve for x
    x = 25,206,814.27/5,555.19
  6. Step 6: Final answer
    x = 4,537.53

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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.