Home / 8,557.43-12,817.94-4,108.54

Finding the Fourth Proportional to 8,557.43, 12,817.94 and 4,108.54

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Solution

The fourth proportional to 8,557.43, 12,817.94 and 4,108.54 is: 6,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.43 : 12,817.94 = 4,108.54 : x
  2. Step 2: Convert to fraction form
    8,557.43/12,817.94 = 4,108.54/x
  3. Step 3: Cross multiply
    8,557.43x = 12,817.94 × 4,108.54
  4. Step 4: Simplify right side
    8,557.43x = 52,662,997.43
  5. Step 5: Solve for x
    x = 52,662,997.43/8,557.43
  6. Step 6: Final answer
    x = 6,154.07

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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.