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Finding the Fourth Proportional to 8,187.48, 12,273.48 and 3,260.16

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Solution

The fourth proportional to 8,187.48, 12,273.48 and 3,260.16 is: 4,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.48 : 12,273.48 = 3,260.16 : x
  2. Step 2: Convert to fraction form
    8,187.48/12,273.48 = 3,260.16/x
  3. Step 3: Cross multiply
    8,187.48x = 12,273.48 × 3,260.16
  4. Step 4: Simplify right side
    8,187.48x = 40,013,508.56
  5. Step 5: Solve for x
    x = 40,013,508.56/8,187.48
  6. Step 6: Final answer
    x = 4,887.16

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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.