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Finding the Fourth Proportional to 8,828.33, 12,170.27 and 6,167.48

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Solution

The fourth proportional to 8,828.33, 12,170.27 and 6,167.48 is: 8,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.33 : 12,170.27 = 6,167.48 : x
  2. Step 2: Convert to fraction form
    8,828.33/12,170.27 = 6,167.48/x
  3. Step 3: Cross multiply
    8,828.33x = 12,170.27 × 6,167.48
  4. Step 4: Simplify right side
    8,828.33x = 75,059,865.98
  5. Step 5: Solve for x
    x = 75,059,865.98/8,828.33
  6. Step 6: Final answer
    x = 8,502.16

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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.