Home / 7,752.64-11,629.68-2,822.80

Finding the Fourth Proportional to 7,752.64, 11,629.68 and 2,822.80

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Solution

The fourth proportional to 7,752.64, 11,629.68 and 2,822.80 is: 4,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.64 : 11,629.68 = 2,822.80 : x
  2. Step 2: Convert to fraction form
    7,752.64/11,629.68 = 2,822.80/x
  3. Step 3: Cross multiply
    7,752.64x = 11,629.68 × 2,822.80
  4. Step 4: Simplify right side
    7,752.64x = 32,828,260.70
  5. Step 5: Solve for x
    x = 32,828,260.70/7,752.64
  6. Step 6: Final answer
    x = 4,234.46

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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.