Home / 5,177.82-7,762.68-3,530.28

Finding the Fourth Proportional to 5,177.82, 7,762.68 and 3,530.28

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Solution

The fourth proportional to 5,177.82, 7,762.68 and 3,530.28 is: 5,292.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.82 : 7,762.68 = 3,530.28 : x
  2. Step 2: Convert to fraction form
    5,177.82/7,762.68 = 3,530.28/x
  3. Step 3: Cross multiply
    5,177.82x = 7,762.68 × 3,530.28
  4. Step 4: Simplify right side
    5,177.82x = 27,404,433.95
  5. Step 5: Solve for x
    x = 27,404,433.95/5,177.82
  6. Step 6: Final answer
    x = 5,292.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.