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Finding the Fourth Proportional to 8,833, 13,255.58 and 3,638.88

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Solution

The fourth proportional to 8,833, 13,255.58 and 3,638.88 is: 5,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833 : 13,255.58 = 3,638.88 : x
  2. Step 2: Convert to fraction form
    8,833/13,255.58 = 3,638.88/x
  3. Step 3: Cross multiply
    8,833x = 13,255.58 × 3,638.88
  4. Step 4: Simplify right side
    8,833x = 48,235,464.95
  5. Step 5: Solve for x
    x = 48,235,464.95/8,833
  6. Step 6: Final answer
    x = 5,460.82

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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.