Home / 4,001.96-5,528.04-3,218.96

Finding the Fourth Proportional to 4,001.96, 5,528.04 and 3,218.96

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Solution

The fourth proportional to 4,001.96, 5,528.04 and 3,218.96 is: 4,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.96 : 5,528.04 = 3,218.96 : x
  2. Step 2: Convert to fraction form
    4,001.96/5,528.04 = 3,218.96/x
  3. Step 3: Cross multiply
    4,001.96x = 5,528.04 × 3,218.96
  4. Step 4: Simplify right side
    4,001.96x = 17,794,539.64
  5. Step 5: Solve for x
    x = 17,794,539.64/4,001.96
  6. Step 6: Final answer
    x = 4,446.46

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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.