Home / 6,747.13-9,308.59-3,912.94

Finding the Fourth Proportional to 6,747.13, 9,308.59 and 3,912.94

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Solution

The fourth proportional to 6,747.13, 9,308.59 and 3,912.94 is: 5,398.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.13 : 9,308.59 = 3,912.94 : x
  2. Step 2: Convert to fraction form
    6,747.13/9,308.59 = 3,912.94/x
  3. Step 3: Cross multiply
    6,747.13x = 9,308.59 × 3,912.94
  4. Step 4: Simplify right side
    6,747.13x = 36,423,954.15
  5. Step 5: Solve for x
    x = 36,423,954.15/6,747.13
  6. Step 6: Final answer
    x = 5,398.44

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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.