Home / 9,179.79-13,769.73-2,254.29

Finding the Fourth Proportional to 9,179.79, 13,769.73 and 2,254.29

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Solution

The fourth proportional to 9,179.79, 13,769.73 and 2,254.29 is: 3,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.79 : 13,769.73 = 2,254.29 : x
  2. Step 2: Convert to fraction form
    9,179.79/13,769.73 = 2,254.29/x
  3. Step 3: Cross multiply
    9,179.79x = 13,769.73 × 2,254.29
  4. Step 4: Simplify right side
    9,179.79x = 31,040,964.64
  5. Step 5: Solve for x
    x = 31,040,964.64/9,179.79
  6. Step 6: Final answer
    x = 3,381.45

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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.