Home / 5,218.42-7,202.78-3,227.82

Finding the Fourth Proportional to 5,218.42, 7,202.78 and 3,227.82

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Solution

The fourth proportional to 5,218.42, 7,202.78 and 3,227.82 is: 4,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.42 : 7,202.78 = 3,227.82 : x
  2. Step 2: Convert to fraction form
    5,218.42/7,202.78 = 3,227.82/x
  3. Step 3: Cross multiply
    5,218.42x = 7,202.78 × 3,227.82
  4. Step 4: Simplify right side
    5,218.42x = 23,249,277.34
  5. Step 5: Solve for x
    x = 23,249,277.34/5,218.42
  6. Step 6: Final answer
    x = 4,455.23

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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.