Home / 5,277.12-7,282.32-2,919.27

Finding the Fourth Proportional to 5,277.12, 7,282.32 and 2,919.27

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Solution

The fourth proportional to 5,277.12, 7,282.32 and 2,919.27 is: 4,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.12 : 7,282.32 = 2,919.27 : x
  2. Step 2: Convert to fraction form
    5,277.12/7,282.32 = 2,919.27/x
  3. Step 3: Cross multiply
    5,277.12x = 7,282.32 × 2,919.27
  4. Step 4: Simplify right side
    5,277.12x = 21,259,058.31
  5. Step 5: Solve for x
    x = 21,259,058.31/5,277.12
  6. Step 6: Final answer
    x = 4,028.53

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1.5x scale

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.