Home / 5,194.44-7,791.57-1,298.88

Finding the Fourth Proportional to 5,194.44, 7,791.57 and 1,298.88

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Solution

The fourth proportional to 5,194.44, 7,791.57 and 1,298.88 is: 1,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.44 : 7,791.57 = 1,298.88 : x
  2. Step 2: Convert to fraction form
    5,194.44/7,791.57 = 1,298.88/x
  3. Step 3: Cross multiply
    5,194.44x = 7,791.57 × 1,298.88
  4. Step 4: Simplify right side
    5,194.44x = 10,120,314.44
  5. Step 5: Solve for x
    x = 10,120,314.44/5,194.44
  6. Step 6: Final answer
    x = 1,948.30

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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.