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Finding the Fourth Proportional to 6,112.37, 9,167.25 and 1,728.65

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Solution

The fourth proportional to 6,112.37, 9,167.25 and 1,728.65 is: 2,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.37 : 9,167.25 = 1,728.65 : x
  2. Step 2: Convert to fraction form
    6,112.37/9,167.25 = 1,728.65/x
  3. Step 3: Cross multiply
    6,112.37x = 9,167.25 × 1,728.65
  4. Step 4: Simplify right side
    6,112.37x = 15,846,966.71
  5. Step 5: Solve for x
    x = 15,846,966.71/6,112.37
  6. Step 6: Final answer
    x = 2,592.61

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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.