Home / 6,149.79-9,231.54-3,187.44

Finding the Fourth Proportional to 6,149.79, 9,231.54 and 3,187.44

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Solution

The fourth proportional to 6,149.79, 9,231.54 and 3,187.44 is: 4,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.79 : 9,231.54 = 3,187.44 : x
  2. Step 2: Convert to fraction form
    6,149.79/9,231.54 = 3,187.44/x
  3. Step 3: Cross multiply
    6,149.79x = 9,231.54 × 3,187.44
  4. Step 4: Simplify right side
    6,149.79x = 29,424,979.86
  5. Step 5: Solve for x
    x = 29,424,979.86/6,149.79
  6. Step 6: Final answer
    x = 4,784.71

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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.