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Finding the Fourth Proportional to 8,997.75, 13,501.49 and 4,380.75

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Solution

The fourth proportional to 8,997.75, 13,501.49 and 4,380.75 is: 6,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.75 : 13,501.49 = 4,380.75 : x
  2. Step 2: Convert to fraction form
    8,997.75/13,501.49 = 4,380.75/x
  3. Step 3: Cross multiply
    8,997.75x = 13,501.49 × 4,380.75
  4. Step 4: Simplify right side
    8,997.75x = 59,146,630.41
  5. Step 5: Solve for x
    x = 59,146,630.41/8,997.75
  6. Step 6: Final answer
    x = 6,573.49

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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.