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Finding the Fourth Proportional to 8,551.02, 11,789.91 and 6,192.30

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Solution

The fourth proportional to 8,551.02, 11,789.91 and 6,192.30 is: 8,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.02 : 11,789.91 = 6,192.30 : x
  2. Step 2: Convert to fraction form
    8,551.02/11,789.91 = 6,192.30/x
  3. Step 3: Cross multiply
    8,551.02x = 11,789.91 × 6,192.30
  4. Step 4: Simplify right side
    8,551.02x = 73,006,659.69
  5. Step 5: Solve for x
    x = 73,006,659.69/8,551.02
  6. Step 6: Final answer
    x = 8,537.77

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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.