Home / 4,815.72-7,222.92-1,529.15

Finding the Fourth Proportional to 4,815.72, 7,222.92 and 1,529.15

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Solution

The fourth proportional to 4,815.72, 7,222.92 and 1,529.15 is: 2,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.72 : 7,222.92 = 1,529.15 : x
  2. Step 2: Convert to fraction form
    4,815.72/7,222.92 = 1,529.15/x
  3. Step 3: Cross multiply
    4,815.72x = 7,222.92 × 1,529.15
  4. Step 4: Simplify right side
    4,815.72x = 11,044,892.00
  5. Step 5: Solve for x
    x = 11,044,892.00/4,815.72
  6. Step 6: Final answer
    x = 2,293.51

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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.