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Finding the Fourth Proportional to 4,234.78, 6,352.22 and 1,156.78

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Solution

The fourth proportional to 4,234.78, 6,352.22 and 1,156.78 is: 1,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.78 : 6,352.22 = 1,156.78 : x
  2. Step 2: Convert to fraction form
    4,234.78/6,352.22 = 1,156.78/x
  3. Step 3: Cross multiply
    4,234.78x = 6,352.22 × 1,156.78
  4. Step 4: Simplify right side
    4,234.78x = 7,348,131.88
  5. Step 5: Solve for x
    x = 7,348,131.88/4,234.78
  6. Step 6: Final answer
    x = 1,735.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.