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Finding the Fourth Proportional to 4,983.22, 7,472.44 and 2,903.82

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Solution

The fourth proportional to 4,983.22, 7,472.44 and 2,903.82 is: 4,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.22 : 7,472.44 = 2,903.82 : x
  2. Step 2: Convert to fraction form
    4,983.22/7,472.44 = 2,903.82/x
  3. Step 3: Cross multiply
    4,983.22x = 7,472.44 × 2,903.82
  4. Step 4: Simplify right side
    4,983.22x = 21,698,620.72
  5. Step 5: Solve for x
    x = 21,698,620.72/4,983.22
  6. Step 6: Final answer
    x = 4,354.34

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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.