Home / 5,276.94-7,282.49-2,919.30

Finding the Fourth Proportional to 5,276.94, 7,282.49 and 2,919.30

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Solution

The fourth proportional to 5,276.94, 7,282.49 and 2,919.30 is: 4,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.94 : 7,282.49 = 2,919.30 : x
  2. Step 2: Convert to fraction form
    5,276.94/7,282.49 = 2,919.30/x
  3. Step 3: Cross multiply
    5,276.94x = 7,282.49 × 2,919.30
  4. Step 4: Simplify right side
    5,276.94x = 21,259,773.06
  5. Step 5: Solve for x
    x = 21,259,773.06/5,276.94
  6. Step 6: Final answer
    x = 4,028.81

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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.