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Finding the Fourth Proportional to 6,867.07, 9,476.49 and 3,883.49

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Solution

The fourth proportional to 6,867.07, 9,476.49 and 3,883.49 is: 5,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.07 : 9,476.49 = 3,883.49 : x
  2. Step 2: Convert to fraction form
    6,867.07/9,476.49 = 3,883.49/x
  3. Step 3: Cross multiply
    6,867.07x = 9,476.49 × 3,883.49
  4. Step 4: Simplify right side
    6,867.07x = 36,801,816.48
  5. Step 5: Solve for x
    x = 36,801,816.48/6,867.07
  6. Step 6: Final answer
    x = 5,359.18

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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.