Home / 5,177.09-7,765.49-1,667.09

Finding the Fourth Proportional to 5,177.09, 7,765.49 and 1,667.09

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Solution

The fourth proportional to 5,177.09, 7,765.49 and 1,667.09 is: 2,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.09 : 7,765.49 = 1,667.09 : x
  2. Step 2: Convert to fraction form
    5,177.09/7,765.49 = 1,667.09/x
  3. Step 3: Cross multiply
    5,177.09x = 7,765.49 × 1,667.09
  4. Step 4: Simplify right side
    5,177.09x = 12,945,723.56
  5. Step 5: Solve for x
    x = 12,945,723.56/5,177.09
  6. Step 6: Final answer
    x = 2,500.58

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1.5x scale

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.