Home / 5,717.58-8,577.76-1,821.98

Finding the Fourth Proportional to 5,717.58, 8,577.76 and 1,821.98

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Solution

The fourth proportional to 5,717.58, 8,577.76 and 1,821.98 is: 2,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.58 : 8,577.76 = 1,821.98 : x
  2. Step 2: Convert to fraction form
    5,717.58/8,577.76 = 1,821.98/x
  3. Step 3: Cross multiply
    5,717.58x = 8,577.76 × 1,821.98
  4. Step 4: Simplify right side
    5,717.58x = 15,628,524.05
  5. Step 5: Solve for x
    x = 15,628,524.05/5,717.58
  6. Step 6: Final answer
    x = 2,733.42

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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.