Home / 6,171.28-9,257.12-1,788.96

Finding the Fourth Proportional to 6,171.28, 9,257.12 and 1,788.96

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Solution

The fourth proportional to 6,171.28, 9,257.12 and 1,788.96 is: 2,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.28 : 9,257.12 = 1,788.96 : x
  2. Step 2: Convert to fraction form
    6,171.28/9,257.12 = 1,788.96/x
  3. Step 3: Cross multiply
    6,171.28x = 9,257.12 × 1,788.96
  4. Step 4: Simplify right side
    6,171.28x = 16,560,617.40
  5. Step 5: Solve for x
    x = 16,560,617.40/6,171.28
  6. Step 6: Final answer
    x = 2,683.50

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Double scale
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Similar ratio
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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.