Home / 6,774.85-9,350.30-3,943.90

Finding the Fourth Proportional to 6,774.85, 9,350.30 and 3,943.90

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Solution

The fourth proportional to 6,774.85, 9,350.30 and 3,943.90 is: 5,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.85 : 9,350.30 = 3,943.90 : x
  2. Step 2: Convert to fraction form
    6,774.85/9,350.30 = 3,943.90/x
  3. Step 3: Cross multiply
    6,774.85x = 9,350.30 × 3,943.90
  4. Step 4: Simplify right side
    6,774.85x = 36,876,648.17
  5. Step 5: Solve for x
    x = 36,876,648.17/6,774.85
  6. Step 6: Final answer
    x = 5,443.17

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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.