Home / 6,518.67-9,781.17-2,821.96

Finding the Fourth Proportional to 6,518.67, 9,781.17 and 2,821.96

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Solution

The fourth proportional to 6,518.67, 9,781.17 and 2,821.96 is: 4,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.67 : 9,781.17 = 2,821.96 : x
  2. Step 2: Convert to fraction form
    6,518.67/9,781.17 = 2,821.96/x
  3. Step 3: Cross multiply
    6,518.67x = 9,781.17 × 2,821.96
  4. Step 4: Simplify right side
    6,518.67x = 27,602,070.49
  5. Step 5: Solve for x
    x = 27,602,070.49/6,518.67
  6. Step 6: Final answer
    x = 4,234.31

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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.