Home / 5,901.39-8,143.61-3,383.30

Finding the Fourth Proportional to 5,901.39, 8,143.61 and 3,383.30

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Solution

The fourth proportional to 5,901.39, 8,143.61 and 3,383.30 is: 4,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.39 : 8,143.61 = 3,383.30 : x
  2. Step 2: Convert to fraction form
    5,901.39/8,143.61 = 3,383.30/x
  3. Step 3: Cross multiply
    5,901.39x = 8,143.61 × 3,383.30
  4. Step 4: Simplify right side
    5,901.39x = 27,552,279.16
  5. Step 5: Solve for x
    x = 27,552,279.16/5,901.39
  6. Step 6: Final answer
    x = 4,668.78

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.