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Finding the Fourth Proportional to 6,663.75, 9,995.63 and 2,768.27

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Solution

The fourth proportional to 6,663.75, 9,995.63 and 2,768.27 is: 4,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.75 : 9,995.63 = 2,768.27 : x
  2. Step 2: Convert to fraction form
    6,663.75/9,995.63 = 2,768.27/x
  3. Step 3: Cross multiply
    6,663.75x = 9,995.63 × 2,768.27
  4. Step 4: Simplify right side
    6,663.75x = 27,670,538.84
  5. Step 5: Solve for x
    x = 27,670,538.84/6,663.75
  6. Step 6: Final answer
    x = 4,152.40

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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.