Home / 4,439.38-6,659.07-1,319.38

Finding the Fourth Proportional to 4,439.38, 6,659.07 and 1,319.38

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Solution

The fourth proportional to 4,439.38, 6,659.07 and 1,319.38 is: 1,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.38 : 6,659.07 = 1,319.38 : x
  2. Step 2: Convert to fraction form
    4,439.38/6,659.07 = 1,319.38/x
  3. Step 3: Cross multiply
    4,439.38x = 6,659.07 × 1,319.38
  4. Step 4: Simplify right side
    4,439.38x = 8,785,822.09
  5. Step 5: Solve for x
    x = 8,785,822.09/4,439.38
  6. Step 6: Final answer
    x = 1,979.06

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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.