Home / 5,945.40-8,204.77-3,427.09

Finding the Fourth Proportional to 5,945.40, 8,204.77 and 3,427.09

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Solution

The fourth proportional to 5,945.40, 8,204.77 and 3,427.09 is: 4,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.40 : 8,204.77 = 3,427.09 : x
  2. Step 2: Convert to fraction form
    5,945.40/8,204.77 = 3,427.09/x
  3. Step 3: Cross multiply
    5,945.40x = 8,204.77 × 3,427.09
  4. Step 4: Simplify right side
    5,945.40x = 28,118,456.14
  5. Step 5: Solve for x
    x = 28,118,456.14/5,945.40
  6. Step 6: Final answer
    x = 4,729.45

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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.