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Finding the Fourth Proportional to 3,999.87, 6,000.03 and 1,226.57

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Solution

The fourth proportional to 3,999.87, 6,000.03 and 1,226.57 is: 1,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.87 : 6,000.03 = 1,226.57 : x
  2. Step 2: Convert to fraction form
    3,999.87/6,000.03 = 1,226.57/x
  3. Step 3: Cross multiply
    3,999.87x = 6,000.03 × 1,226.57
  4. Step 4: Simplify right side
    3,999.87x = 7,359,429.86
  5. Step 5: Solve for x
    x = 7,359,429.86/3,999.87
  6. Step 6: Final answer
    x = 1,839.92

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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.