Home / 9,383.81-12,949.16-5,134.04

Finding the Fourth Proportional to 9,383.81, 12,949.16 and 5,134.04

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Solution

The fourth proportional to 9,383.81, 12,949.16 and 5,134.04 is: 7,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.81 : 12,949.16 = 5,134.04 : x
  2. Step 2: Convert to fraction form
    9,383.81/12,949.16 = 5,134.04/x
  3. Step 3: Cross multiply
    9,383.81x = 12,949.16 × 5,134.04
  4. Step 4: Simplify right side
    9,383.81x = 66,481,414.99
  5. Step 5: Solve for x
    x = 66,481,414.99/9,383.81
  6. Step 6: Final answer
    x = 7,084.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.