Home / 6,171.20-9,256.80-3,580.80

Finding the Fourth Proportional to 6,171.20, 9,256.80 and 3,580.80

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Solution

The fourth proportional to 6,171.20, 9,256.80 and 3,580.80 is: 5,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.20 : 9,256.80 = 3,580.80 : x
  2. Step 2: Convert to fraction form
    6,171.20/9,256.80 = 3,580.80/x
  3. Step 3: Cross multiply
    6,171.20x = 9,256.80 × 3,580.80
  4. Step 4: Simplify right side
    6,171.20x = 33,146,749.44
  5. Step 5: Solve for x
    x = 33,146,749.44/6,171.20
  6. Step 6: Final answer
    x = 5,371.20

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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.