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Finding the Fourth Proportional to 4,156, 6,235.02 and 1,234.29

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Solution

The fourth proportional to 4,156, 6,235.02 and 1,234.29 is: 1,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156 : 6,235.02 = 1,234.29 : x
  2. Step 2: Convert to fraction form
    4,156/6,235.02 = 1,234.29/x
  3. Step 3: Cross multiply
    4,156x = 6,235.02 × 1,234.29
  4. Step 4: Simplify right side
    4,156x = 7,695,822.84
  5. Step 5: Solve for x
    x = 7,695,822.84/4,156
  6. Step 6: Final answer
    x = 1,851.74

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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.