Home / 5,171.76-7,757.89-1,474.25

Finding the Fourth Proportional to 5,171.76, 7,757.89 and 1,474.25

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Solution

The fourth proportional to 5,171.76, 7,757.89 and 1,474.25 is: 2,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.76 : 7,757.89 = 1,474.25 : x
  2. Step 2: Convert to fraction form
    5,171.76/7,757.89 = 1,474.25/x
  3. Step 3: Cross multiply
    5,171.76x = 7,757.89 × 1,474.25
  4. Step 4: Simplify right side
    5,171.76x = 11,437,030.54
  5. Step 5: Solve for x
    x = 11,437,030.54/5,171.76
  6. Step 6: Final answer
    x = 2,211.44

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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.