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Finding the Fourth Proportional to 4,822.92, 7,229.93 and 1,900.58

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Solution

The fourth proportional to 4,822.92, 7,229.93 and 1,900.58 is: 2,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.92 : 7,229.93 = 1,900.58 : x
  2. Step 2: Convert to fraction form
    4,822.92/7,229.93 = 1,900.58/x
  3. Step 3: Cross multiply
    4,822.92x = 7,229.93 × 1,900.58
  4. Step 4: Simplify right side
    4,822.92x = 13,741,014.71
  5. Step 5: Solve for x
    x = 13,741,014.71/4,822.92
  6. Step 6: Final answer
    x = 2,849.11

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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.