Home / 6,484.20-9,727.84-2,786.47

Finding the Fourth Proportional to 6,484.20, 9,727.84 and 2,786.47

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Solution

The fourth proportional to 6,484.20, 9,727.84 and 2,786.47 is: 4,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.20 : 9,727.84 = 2,786.47 : x
  2. Step 2: Convert to fraction form
    6,484.20/9,727.84 = 2,786.47/x
  3. Step 3: Cross multiply
    6,484.20x = 9,727.84 × 2,786.47
  4. Step 4: Simplify right side
    6,484.20x = 27,106,285.69
  5. Step 5: Solve for x
    x = 27,106,285.69/6,484.20
  6. Step 6: Final answer
    x = 4,180.36

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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.