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Finding the Fourth Proportional to 5,592.72, 7,720.92 and 3,497.52

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Solution

The fourth proportional to 5,592.72, 7,720.92 and 3,497.52 is: 4,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,592.72 : 7,720.92 = 3,497.52 : x
  2. Step 2: Convert to fraction form
    5,592.72/7,720.92 = 3,497.52/x
  3. Step 3: Cross multiply
    5,592.72x = 7,720.92 × 3,497.52
  4. Step 4: Simplify right side
    5,592.72x = 27,004,072.12
  5. Step 5: Solve for x
    x = 27,004,072.12/5,592.72
  6. Step 6: Final answer
    x = 4,828.43

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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.