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Finding the Fourth Proportional to 4,262.77, 6,393.97 and 1,489.44

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Solution

The fourth proportional to 4,262.77, 6,393.97 and 1,489.44 is: 2,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.77 : 6,393.97 = 1,489.44 : x
  2. Step 2: Convert to fraction form
    4,262.77/6,393.97 = 1,489.44/x
  3. Step 3: Cross multiply
    4,262.77x = 6,393.97 × 1,489.44
  4. Step 4: Simplify right side
    4,262.77x = 9,523,434.68
  5. Step 5: Solve for x
    x = 9,523,434.68/4,262.77
  6. Step 6: Final answer
    x = 2,234.10

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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.