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Finding the Fourth Proportional to 9,262.35, 13,894.88 and 2,687.68

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Solution

The fourth proportional to 9,262.35, 13,894.88 and 2,687.68 is: 4,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262.35 : 13,894.88 = 2,687.68 : x
  2. Step 2: Convert to fraction form
    9,262.35/13,894.88 = 2,687.68/x
  3. Step 3: Cross multiply
    9,262.35x = 13,894.88 × 2,687.68
  4. Step 4: Simplify right side
    9,262.35x = 37,344,991.08
  5. Step 5: Solve for x
    x = 37,344,991.08/9,262.35
  6. Step 6: Final answer
    x = 4,031.91

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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.