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Finding the Fourth Proportional to 7,179.88, 10,764.02 and 2,246.98

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Solution

The fourth proportional to 7,179.88, 10,764.02 and 2,246.98 is: 3,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.88 : 10,764.02 = 2,246.98 : x
  2. Step 2: Convert to fraction form
    7,179.88/10,764.02 = 2,246.98/x
  3. Step 3: Cross multiply
    7,179.88x = 10,764.02 × 2,246.98
  4. Step 4: Simplify right side
    7,179.88x = 24,186,537.66
  5. Step 5: Solve for x
    x = 24,186,537.66/7,179.88
  6. Step 6: Final answer
    x = 3,368.65

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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.