Home / 4,087.39-6,131.09-1,165.71

Finding the Fourth Proportional to 4,087.39, 6,131.09 and 1,165.71

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Solution

The fourth proportional to 4,087.39, 6,131.09 and 1,165.71 is: 1,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.39 : 6,131.09 = 1,165.71 : x
  2. Step 2: Convert to fraction form
    4,087.39/6,131.09 = 1,165.71/x
  3. Step 3: Cross multiply
    4,087.39x = 6,131.09 × 1,165.71
  4. Step 4: Simplify right side
    4,087.39x = 7,147,036.44
  5. Step 5: Solve for x
    x = 7,147,036.44/4,087.39
  6. Step 6: Final answer
    x = 1,748.56

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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.