Home / 5,177.54-7,765.22-1,667.86

Finding the Fourth Proportional to 5,177.54, 7,765.22 and 1,667.86

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Solution

The fourth proportional to 5,177.54, 7,765.22 and 1,667.86 is: 2,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.54 : 7,765.22 = 1,667.86 : x
  2. Step 2: Convert to fraction form
    5,177.54/7,765.22 = 1,667.86/x
  3. Step 3: Cross multiply
    5,177.54x = 7,765.22 × 1,667.86
  4. Step 4: Simplify right side
    5,177.54x = 12,951,328.27
  5. Step 5: Solve for x
    x = 12,951,328.27/5,177.54
  6. Step 6: Final answer
    x = 2,501.44

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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.