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Finding the Fourth Proportional to 7,508.50, 11,262.79 and 2,036.50

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Solution

The fourth proportional to 7,508.50, 11,262.79 and 2,036.50 is: 3,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.50 : 11,262.79 = 2,036.50 : x
  2. Step 2: Convert to fraction form
    7,508.50/11,262.79 = 2,036.50/x
  3. Step 3: Cross multiply
    7,508.50x = 11,262.79 × 2,036.50
  4. Step 4: Simplify right side
    7,508.50x = 22,936,671.84
  5. Step 5: Solve for x
    x = 22,936,671.84/7,508.50
  6. Step 6: Final answer
    x = 3,054.76

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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.