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Finding the Fourth Proportional to 8,551.14, 11,801.16 and 4,775.04

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Solution

The fourth proportional to 8,551.14, 11,801.16 and 4,775.04 is: 6,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.14 : 11,801.16 = 4,775.04 : x
  2. Step 2: Convert to fraction form
    8,551.14/11,801.16 = 4,775.04/x
  3. Step 3: Cross multiply
    8,551.14x = 11,801.16 × 4,775.04
  4. Step 4: Simplify right side
    8,551.14x = 56,351,011.05
  5. Step 5: Solve for x
    x = 56,351,011.05/8,551.14
  6. Step 6: Final answer
    x = 6,589.88

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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.