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Finding the Fourth Proportional to 6,607.54, 9,912.96 and 4,663.54

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Solution

The fourth proportional to 6,607.54, 9,912.96 and 4,663.54 is: 6,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.54 : 9,912.96 = 4,663.54 : x
  2. Step 2: Convert to fraction form
    6,607.54/9,912.96 = 4,663.54/x
  3. Step 3: Cross multiply
    6,607.54x = 9,912.96 × 4,663.54
  4. Step 4: Simplify right side
    6,607.54x = 46,229,485.48
  5. Step 5: Solve for x
    x = 46,229,485.48/6,607.54
  6. Step 6: Final answer
    x = 6,996.47

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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.