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Finding the Fourth Proportional to 6,773.25, 9,338.38 and 5,638.85

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Solution

The fourth proportional to 6,773.25, 9,338.38 and 5,638.85 is: 7,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773.25 : 9,338.38 = 5,638.85 : x
  2. Step 2: Convert to fraction form
    6,773.25/9,338.38 = 5,638.85/x
  3. Step 3: Cross multiply
    6,773.25x = 9,338.38 × 5,638.85
  4. Step 4: Simplify right side
    6,773.25x = 52,657,724.06
  5. Step 5: Solve for x
    x = 52,657,724.06/6,773.25
  6. Step 6: Final answer
    x = 7,774.37

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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.