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Finding the Fourth Proportional to 6,777.73, 10,100.08 and 6,554.78

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Solution

The fourth proportional to 6,777.73, 10,100.08 and 6,554.78 is: 9,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,777.73 : 10,100.08 = 6,554.78 : x
  2. Step 2: Convert to fraction form
    6,777.73/10,100.08 = 6,554.78/x
  3. Step 3: Cross multiply
    6,777.73x = 10,100.08 × 6,554.78
  4. Step 4: Simplify right side
    6,777.73x = 66,203,769.61
  5. Step 5: Solve for x
    x = 66,203,769.61/6,777.73
  6. Step 6: Final answer
    x = 9,767.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.