Home / 6,484.62-9,727.82-2,100.66

Finding the Fourth Proportional to 6,484.62, 9,727.82 and 2,100.66

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Solution

The fourth proportional to 6,484.62, 9,727.82 and 2,100.66 is: 3,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.62 : 9,727.82 = 2,100.66 : x
  2. Step 2: Convert to fraction form
    6,484.62/9,727.82 = 2,100.66/x
  3. Step 3: Cross multiply
    6,484.62x = 9,727.82 × 2,100.66
  4. Step 4: Simplify right side
    6,484.62x = 20,434,842.36
  5. Step 5: Solve for x
    x = 20,434,842.36/6,484.62
  6. Step 6: Final answer
    x = 3,151.28

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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.