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Finding the Fourth Proportional to 7,308.73, 10,944.42 and 4,018.21

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Solution

The fourth proportional to 7,308.73, 10,944.42 and 4,018.21 is: 6,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.73 : 10,944.42 = 4,018.21 : x
  2. Step 2: Convert to fraction form
    7,308.73/10,944.42 = 4,018.21/x
  3. Step 3: Cross multiply
    7,308.73x = 10,944.42 × 4,018.21
  4. Step 4: Simplify right side
    7,308.73x = 43,976,935.46
  5. Step 5: Solve for x
    x = 43,976,935.46/7,308.73
  6. Step 6: Final answer
    x = 6,017.04

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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.