Home / 5,277.09-7,282.16-2,919.08

Finding the Fourth Proportional to 5,277.09, 7,282.16 and 2,919.08

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Solution

The fourth proportional to 5,277.09, 7,282.16 and 2,919.08 is: 4,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.09 : 7,282.16 = 2,919.08 : x
  2. Step 2: Convert to fraction form
    5,277.09/7,282.16 = 2,919.08/x
  3. Step 3: Cross multiply
    5,277.09x = 7,282.16 × 2,919.08
  4. Step 4: Simplify right side
    5,277.09x = 21,257,156.61
  5. Step 5: Solve for x
    x = 21,257,156.61/5,277.09
  6. Step 6: Final answer
    x = 4,028.20

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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.