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Finding the Fourth Proportional to 6,441.44, 9,662.16 and 2,059.23

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Solution

The fourth proportional to 6,441.44, 9,662.16 and 2,059.23 is: 3,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.44 : 9,662.16 = 2,059.23 : x
  2. Step 2: Convert to fraction form
    6,441.44/9,662.16 = 2,059.23/x
  3. Step 3: Cross multiply
    6,441.44x = 9,662.16 × 2,059.23
  4. Step 4: Simplify right side
    6,441.44x = 19,896,609.74
  5. Step 5: Solve for x
    x = 19,896,609.74/6,441.44
  6. Step 6: Final answer
    x = 3,088.85

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Half 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.