Home / 4,291.93-6,448.70-2,732.64

Finding the Fourth Proportional to 4,291.93, 6,448.70 and 2,732.64

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Solution

The fourth proportional to 4,291.93, 6,448.70 and 2,732.64 is: 4,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.93 : 6,448.70 = 2,732.64 : x
  2. Step 2: Convert to fraction form
    4,291.93/6,448.70 = 2,732.64/x
  3. Step 3: Cross multiply
    4,291.93x = 6,448.70 × 2,732.64
  4. Step 4: Simplify right side
    4,291.93x = 17,621,929.66
  5. Step 5: Solve for x
    x = 17,621,929.66/4,291.93
  6. Step 6: Final answer
    x = 4,105.83

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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.