Home / 5,277.18-7,282.80-2,919.27

Finding the Fourth Proportional to 5,277.18, 7,282.80 and 2,919.27

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Solution

The fourth proportional to 5,277.18, 7,282.80 and 2,919.27 is: 4,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.18 : 7,282.80 = 2,919.27 : x
  2. Step 2: Convert to fraction form
    5,277.18/7,282.80 = 2,919.27/x
  3. Step 3: Cross multiply
    5,277.18x = 7,282.80 × 2,919.27
  4. Step 4: Simplify right side
    5,277.18x = 21,260,459.56
  5. Step 5: Solve for x
    x = 21,260,459.56/5,277.18
  6. Step 6: Final answer
    x = 4,028.75

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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.