Home / 4,001.36-5,517.69-3,443.72

Finding the Fourth Proportional to 4,001.36, 5,517.69 and 3,443.72

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Solution

The fourth proportional to 4,001.36, 5,517.69 and 3,443.72 is: 4,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.36 : 5,517.69 = 3,443.72 : x
  2. Step 2: Convert to fraction form
    4,001.36/5,517.69 = 3,443.72/x
  3. Step 3: Cross multiply
    4,001.36x = 5,517.69 × 3,443.72
  4. Step 4: Simplify right side
    4,001.36x = 19,001,379.41
  5. Step 5: Solve for x
    x = 19,001,379.41/4,001.36
  6. Step 6: Final answer
    x = 4,748.73

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Half scale
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Double scale
Find fourth proportional to 4,002.36, 5,519.07 and 3,444.72
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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.