Home / 5,277.14-7,282.46-2,919.29

Finding the Fourth Proportional to 5,277.14, 7,282.46 and 2,919.29

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Solution

The fourth proportional to 5,277.14, 7,282.46 and 2,919.29 is: 4,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.14 : 7,282.46 = 2,919.29 : x
  2. Step 2: Convert to fraction form
    5,277.14/7,282.46 = 2,919.29/x
  3. Step 3: Cross multiply
    5,277.14x = 7,282.46 × 2,919.29
  4. Step 4: Simplify right side
    5,277.14x = 21,259,561.64
  5. Step 5: Solve for x
    x = 21,259,561.64/5,277.14
  6. Step 6: Final answer
    x = 4,028.61

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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.