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Finding the Fourth Proportional to 8,551.38, 11,800.83 and 4,825.38

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Solution

The fourth proportional to 8,551.38, 11,800.83 and 4,825.38 is: 6,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.38 : 11,800.83 = 4,825.38 : x
  2. Step 2: Convert to fraction form
    8,551.38/11,800.83 = 4,825.38/x
  3. Step 3: Cross multiply
    8,551.38x = 11,800.83 × 4,825.38
  4. Step 4: Simplify right side
    8,551.38x = 56,943,489.07
  5. Step 5: Solve for x
    x = 56,943,489.07/8,551.38
  6. Step 6: Final answer
    x = 6,658.98

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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.