Home / 4,282.72-6,415-2,796.69

Finding the Fourth Proportional to 4,282.72, 6,415 and 2,796.69

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Solution

The fourth proportional to 4,282.72, 6,415 and 2,796.69 is: 4,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.72 : 6,415 = 2,796.69 : x
  2. Step 2: Convert to fraction form
    4,282.72/6,415 = 2,796.69/x
  3. Step 3: Cross multiply
    4,282.72x = 6,415 × 2,796.69
  4. Step 4: Simplify right side
    4,282.72x = 17,940,766.35
  5. Step 5: Solve for x
    x = 17,940,766.35/4,282.72
  6. Step 6: Final answer
    x = 4,189.11

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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.