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Finding the Fourth Proportional to 8,224.50, 11,349.81 and 4,498.50

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Solution

The fourth proportional to 8,224.50, 11,349.81 and 4,498.50 is: 6,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.50 : 11,349.81 = 4,498.50 : x
  2. Step 2: Convert to fraction form
    8,224.50/11,349.81 = 4,498.50/x
  3. Step 3: Cross multiply
    8,224.50x = 11,349.81 × 4,498.50
  4. Step 4: Simplify right side
    8,224.50x = 51,057,120.29
  5. Step 5: Solve for x
    x = 51,057,120.29/8,224.50
  6. Step 6: Final answer
    x = 6,207.93

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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.