Home / 5,277.38-7,282.70-2,919.46

Finding the Fourth Proportional to 5,277.38, 7,282.70 and 2,919.46

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Solution

The fourth proportional to 5,277.38, 7,282.70 and 2,919.46 is: 4,028.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.38 : 7,282.70 = 2,919.46 : x
  2. Step 2: Convert to fraction form
    5,277.38/7,282.70 = 2,919.46/x
  3. Step 3: Cross multiply
    5,277.38x = 7,282.70 × 2,919.46
  4. Step 4: Simplify right side
    5,277.38x = 21,261,551.34
  5. Step 5: Solve for x
    x = 21,261,551.34/5,277.38
  6. Step 6: Final answer
    x = 4,028.81

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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.