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Finding the Fourth Proportional to 4,747.52, 6,549.72 and 2,757.72

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Solution

The fourth proportional to 4,747.52, 6,549.72 and 2,757.72 is: 3,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.52 : 6,549.72 = 2,757.72 : x
  2. Step 2: Convert to fraction form
    4,747.52/6,549.72 = 2,757.72/x
  3. Step 3: Cross multiply
    4,747.52x = 6,549.72 × 2,757.72
  4. Step 4: Simplify right side
    4,747.52x = 18,062,293.84
  5. Step 5: Solve for x
    x = 18,062,293.84/4,747.52
  6. Step 6: Final answer
    x = 3,804.57

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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.