Home / 5,277.42-7,282.35-2,919.51

Finding the Fourth Proportional to 5,277.42, 7,282.35 and 2,919.51

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Solution

The fourth proportional to 5,277.42, 7,282.35 and 2,919.51 is: 4,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.42 : 7,282.35 = 2,919.51 : x
  2. Step 2: Convert to fraction form
    5,277.42/7,282.35 = 2,919.51/x
  3. Step 3: Cross multiply
    5,277.42x = 7,282.35 × 2,919.51
  4. Step 4: Simplify right side
    5,277.42x = 21,260,893.65
  5. Step 5: Solve for x
    x = 21,260,893.65/5,277.42
  6. Step 6: Final answer
    x = 4,028.65

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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.