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Finding the Fourth Proportional to 4,902.06, 6,764.72 and 2,663.89

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Solution

The fourth proportional to 4,902.06, 6,764.72 and 2,663.89 is: 3,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.06 : 6,764.72 = 2,663.89 : x
  2. Step 2: Convert to fraction form
    4,902.06/6,764.72 = 2,663.89/x
  3. Step 3: Cross multiply
    4,902.06x = 6,764.72 × 2,663.89
  4. Step 4: Simplify right side
    4,902.06x = 18,020,469.96
  5. Step 5: Solve for x
    x = 18,020,469.96/4,902.06
  6. Step 6: Final answer
    x = 3,676.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.