Home / 5,521.17-8,278.59-1,822.38

Finding the Fourth Proportional to 5,521.17, 8,278.59 and 1,822.38

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Solution

The fourth proportional to 5,521.17, 8,278.59 and 1,822.38 is: 2,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.17 : 8,278.59 = 1,822.38 : x
  2. Step 2: Convert to fraction form
    5,521.17/8,278.59 = 1,822.38/x
  3. Step 3: Cross multiply
    5,521.17x = 8,278.59 × 1,822.38
  4. Step 4: Simplify right side
    5,521.17x = 15,086,736.84
  5. Step 5: Solve for x
    x = 15,086,736.84/5,521.17
  6. Step 6: Final answer
    x = 2,732.53

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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.