Home / 3,726.36-5,589.54-3,665.07

Finding the Fourth Proportional to 3,726.36, 5,589.54 and 3,665.07

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Solution

The fourth proportional to 3,726.36, 5,589.54 and 3,665.07 is: 5,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.36 : 5,589.54 = 3,665.07 : x
  2. Step 2: Convert to fraction form
    3,726.36/5,589.54 = 3,665.07/x
  3. Step 3: Cross multiply
    3,726.36x = 5,589.54 × 3,665.07
  4. Step 4: Simplify right side
    3,726.36x = 20,486,055.37
  5. Step 5: Solve for x
    x = 20,486,055.37/3,726.36
  6. Step 6: Final answer
    x = 5,497.61

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Half scale
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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.