Home / 5,622.84-7,752.24-3,851.28

Finding the Fourth Proportional to 5,622.84, 7,752.24 and 3,851.28

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Solution

The fourth proportional to 5,622.84, 7,752.24 and 3,851.28 is: 5,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.84 : 7,752.24 = 3,851.28 : x
  2. Step 2: Convert to fraction form
    5,622.84/7,752.24 = 3,851.28/x
  3. Step 3: Cross multiply
    5,622.84x = 7,752.24 × 3,851.28
  4. Step 4: Simplify right side
    5,622.84x = 29,856,046.87
  5. Step 5: Solve for x
    x = 29,856,046.87/5,622.84
  6. Step 6: Final answer
    x = 5,309.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.