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Finding the Fourth Proportional to 6,773, 9,347.82 and 3,977.96

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Solution

The fourth proportional to 6,773, 9,347.82 and 3,977.96 is: 5,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773 : 9,347.82 = 3,977.96 : x
  2. Step 2: Convert to fraction form
    6,773/9,347.82 = 3,977.96/x
  3. Step 3: Cross multiply
    6,773x = 9,347.82 × 3,977.96
  4. Step 4: Simplify right side
    6,773x = 37,185,254.05
  5. Step 5: Solve for x
    x = 37,185,254.05/6,773
  6. Step 6: Final answer
    x = 5,490.22

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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.