Home / 4,822.80-7,234.20-2,967.90

Finding the Fourth Proportional to 4,822.80, 7,234.20 and 2,967.90

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Solution

The fourth proportional to 4,822.80, 7,234.20 and 2,967.90 is: 4,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.80 : 7,234.20 = 2,967.90 : x
  2. Step 2: Convert to fraction form
    4,822.80/7,234.20 = 2,967.90/x
  3. Step 3: Cross multiply
    4,822.80x = 7,234.20 × 2,967.90
  4. Step 4: Simplify right side
    4,822.80x = 21,470,382.18
  5. Step 5: Solve for x
    x = 21,470,382.18/4,822.80
  6. Step 6: Final answer
    x = 4,451.85

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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.