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Finding the Fourth Proportional to 8,794.31, 13,179.00 and 3,242.06

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Solution

The fourth proportional to 8,794.31, 13,179.00 and 3,242.06 is: 4,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.31 : 13,179.00 = 3,242.06 : x
  2. Step 2: Convert to fraction form
    8,794.31/13,179.00 = 3,242.06/x
  3. Step 3: Cross multiply
    8,794.31x = 13,179.00 × 3,242.06
  4. Step 4: Simplify right side
    8,794.31x = 42,727,104.42
  5. Step 5: Solve for x
    x = 42,727,104.42/8,794.31
  6. Step 6: Final answer
    x = 4,858.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.