Home / 5,177.76-7,765.20-2,257.44

Finding the Fourth Proportional to 5,177.76, 7,765.20 and 2,257.44

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Solution

The fourth proportional to 5,177.76, 7,765.20 and 2,257.44 is: 3,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.76 : 7,765.20 = 2,257.44 : x
  2. Step 2: Convert to fraction form
    5,177.76/7,765.20 = 2,257.44/x
  3. Step 3: Cross multiply
    5,177.76x = 7,765.20 × 2,257.44
  4. Step 4: Simplify right side
    5,177.76x = 17,529,473.09
  5. Step 5: Solve for x
    x = 17,529,473.09/5,177.76
  6. Step 6: Final answer
    x = 3,385.53

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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.