Home / 7,644.28-11,463.82-2,713.21

Finding the Fourth Proportional to 7,644.28, 11,463.82 and 2,713.21

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Solution

The fourth proportional to 7,644.28, 11,463.82 and 2,713.21 is: 4,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.28 : 11,463.82 = 2,713.21 : x
  2. Step 2: Convert to fraction form
    7,644.28/11,463.82 = 2,713.21/x
  3. Step 3: Cross multiply
    7,644.28x = 11,463.82 × 2,713.21
  4. Step 4: Simplify right side
    7,644.28x = 31,103,751.06
  5. Step 5: Solve for x
    x = 31,103,751.06/7,644.28
  6. Step 6: Final answer
    x = 4,068.89

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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.