Home / 9,747.76-14,620.20-2,821.36

Finding the Fourth Proportional to 9,747.76, 14,620.20 and 2,821.36

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Solution

The fourth proportional to 9,747.76, 14,620.20 and 2,821.36 is: 4,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.76 : 14,620.20 = 2,821.36 : x
  2. Step 2: Convert to fraction form
    9,747.76/14,620.20 = 2,821.36/x
  3. Step 3: Cross multiply
    9,747.76x = 14,620.20 × 2,821.36
  4. Step 4: Simplify right side
    9,747.76x = 41,248,847.47
  5. Step 5: Solve for x
    x = 41,248,847.47/9,747.76
  6. Step 6: Final answer
    x = 4,231.62

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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.