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Finding the Fourth Proportional to 4,890.88, 7,326.87 and 3,042.73

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Solution

The fourth proportional to 4,890.88, 7,326.87 and 3,042.73 is: 4,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.88 : 7,326.87 = 3,042.73 : x
  2. Step 2: Convert to fraction form
    4,890.88/7,326.87 = 3,042.73/x
  3. Step 3: Cross multiply
    4,890.88x = 7,326.87 × 3,042.73
  4. Step 4: Simplify right side
    4,890.88x = 22,293,687.16
  5. Step 5: Solve for x
    x = 22,293,687.16/4,890.88
  6. Step 6: Final answer
    x = 4,558.22

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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.