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Finding the Fourth Proportional to 8,592.74, 12,886.40 and 3,327.38

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Solution

The fourth proportional to 8,592.74, 12,886.40 and 3,327.38 is: 4,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.74 : 12,886.40 = 3,327.38 : x
  2. Step 2: Convert to fraction form
    8,592.74/12,886.40 = 3,327.38/x
  3. Step 3: Cross multiply
    8,592.74x = 12,886.40 × 3,327.38
  4. Step 4: Simplify right side
    8,592.74x = 42,877,949.63
  5. Step 5: Solve for x
    x = 42,877,949.63/8,592.74
  6. Step 6: Final answer
    x = 4,990.02

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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.