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Finding the Fourth Proportional to 4,000.05, 5,992.03 and 1,992.69

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Solution

The fourth proportional to 4,000.05, 5,992.03 and 1,992.69 is: 2,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.05 : 5,992.03 = 1,992.69 : x
  2. Step 2: Convert to fraction form
    4,000.05/5,992.03 = 1,992.69/x
  3. Step 3: Cross multiply
    4,000.05x = 5,992.03 × 1,992.69
  4. Step 4: Simplify right side
    4,000.05x = 11,940,258.26
  5. Step 5: Solve for x
    x = 11,940,258.26/4,000.05
  6. Step 6: Final answer
    x = 2,985.03

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,001.05, 5,993.53 and 1,993.69
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.