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Finding the Fourth Proportional to 6,153.76, 8,491.39 and 3,464.64

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Solution

The fourth proportional to 6,153.76, 8,491.39 and 3,464.64 is: 4,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.76 : 8,491.39 = 3,464.64 : x
  2. Step 2: Convert to fraction form
    6,153.76/8,491.39 = 3,464.64/x
  3. Step 3: Cross multiply
    6,153.76x = 8,491.39 × 3,464.64
  4. Step 4: Simplify right side
    6,153.76x = 29,419,609.45
  5. Step 5: Solve for x
    x = 29,419,609.45/6,153.76
  6. Step 6: Final answer
    x = 4,780.75

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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.