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Finding the Fourth Proportional to 9,481.70, 14,224.25 and 3,935.50

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Solution

The fourth proportional to 9,481.70, 14,224.25 and 3,935.50 is: 5,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.70 : 14,224.25 = 3,935.50 : x
  2. Step 2: Convert to fraction form
    9,481.70/14,224.25 = 3,935.50/x
  3. Step 3: Cross multiply
    9,481.70x = 14,224.25 × 3,935.50
  4. Step 4: Simplify right side
    9,481.70x = 55,979,510.15
  5. Step 5: Solve for x
    x = 55,979,510.15/9,481.70
  6. Step 6: Final answer
    x = 5,903.95

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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.