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Finding the Fourth Proportional to 6,305.54, 9,464.14 and 3,187.74

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Solution

The fourth proportional to 6,305.54, 9,464.14 and 3,187.74 is: 4,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.54 : 9,464.14 = 3,187.74 : x
  2. Step 2: Convert to fraction form
    6,305.54/9,464.14 = 3,187.74/x
  3. Step 3: Cross multiply
    6,305.54x = 9,464.14 × 3,187.74
  4. Step 4: Simplify right side
    6,305.54x = 30,169,217.64
  5. Step 5: Solve for x
    x = 30,169,217.64/6,305.54
  6. Step 6: Final answer
    x = 4,784.56

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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.