Home / 4,631.96-6,945.40-3,171.48

Finding the Fourth Proportional to 4,631.96, 6,945.40 and 3,171.48

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Solution

The fourth proportional to 4,631.96, 6,945.40 and 3,171.48 is: 4,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.96 : 6,945.40 = 3,171.48 : x
  2. Step 2: Convert to fraction form
    4,631.96/6,945.40 = 3,171.48/x
  3. Step 3: Cross multiply
    4,631.96x = 6,945.40 × 3,171.48
  4. Step 4: Simplify right side
    4,631.96x = 22,027,197.19
  5. Step 5: Solve for x
    x = 22,027,197.19/4,631.96
  6. Step 6: Final answer
    x = 4,755.48

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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.