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Finding the Fourth Proportional to 5,851, 8,776.86 and 1,747

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Solution

The fourth proportional to 5,851, 8,776.86 and 1,747 is: 2,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851 : 8,776.86 = 1,747 : x
  2. Step 2: Convert to fraction form
    5,851/8,776.86 = 1,747/x
  3. Step 3: Cross multiply
    5,851x = 8,776.86 × 1,747
  4. Step 4: Simplify right side
    5,851x = 15,333,174.42
  5. Step 5: Solve for x
    x = 15,333,174.42/5,851
  6. Step 6: Final answer
    x = 2,620.61

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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.