Home / 5,717.20-8,575.57-1,821.46

Finding the Fourth Proportional to 5,717.20, 8,575.57 and 1,821.46

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Solution

The fourth proportional to 5,717.20, 8,575.57 and 1,821.46 is: 2,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.20 : 8,575.57 = 1,821.46 : x
  2. Step 2: Convert to fraction form
    5,717.20/8,575.57 = 1,821.46/x
  3. Step 3: Cross multiply
    5,717.20x = 8,575.57 × 1,821.46
  4. Step 4: Simplify right side
    5,717.20x = 15,620,057.73
  5. Step 5: Solve for x
    x = 15,620,057.73/5,717.20
  6. Step 6: Final answer
    x = 2,732.12

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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.