Home / 5,276.70-7,282.33-2,919.29

Finding the Fourth Proportional to 5,276.70, 7,282.33 and 2,919.29

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Solution

The fourth proportional to 5,276.70, 7,282.33 and 2,919.29 is: 4,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.70 : 7,282.33 = 2,919.29 : x
  2. Step 2: Convert to fraction form
    5,276.70/7,282.33 = 2,919.29/x
  3. Step 3: Cross multiply
    5,276.70x = 7,282.33 × 2,919.29
  4. Step 4: Simplify right side
    5,276.70x = 21,259,189.44
  5. Step 5: Solve for x
    x = 21,259,189.44/5,276.70
  6. Step 6: Final answer
    x = 4,028.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.