Home / 6,162.38-9,243.57-1,719.86

Finding the Fourth Proportional to 6,162.38, 9,243.57 and 1,719.86

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Solution

The fourth proportional to 6,162.38, 9,243.57 and 1,719.86 is: 2,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162.38 : 9,243.57 = 1,719.86 : x
  2. Step 2: Convert to fraction form
    6,162.38/9,243.57 = 1,719.86/x
  3. Step 3: Cross multiply
    6,162.38x = 9,243.57 × 1,719.86
  4. Step 4: Simplify right side
    6,162.38x = 15,897,646.30
  5. Step 5: Solve for x
    x = 15,897,646.30/6,162.38
  6. Step 6: Final answer
    x = 2,579.79

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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.