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Finding the Fourth Proportional to 4,549.78, 6,277.13 and 2,757.81

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Solution

The fourth proportional to 4,549.78, 6,277.13 and 2,757.81 is: 3,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.78 : 6,277.13 = 2,757.81 : x
  2. Step 2: Convert to fraction form
    4,549.78/6,277.13 = 2,757.81/x
  3. Step 3: Cross multiply
    4,549.78x = 6,277.13 × 2,757.81
  4. Step 4: Simplify right side
    4,549.78x = 17,311,131.89
  5. Step 5: Solve for x
    x = 17,311,131.89/4,549.78
  6. Step 6: Final answer
    x = 3,804.83

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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.