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Finding the Fourth Proportional to 8,904.99, 13,357.43 and 3,638.88

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Solution

The fourth proportional to 8,904.99, 13,357.43 and 3,638.88 is: 5,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.99 : 13,357.43 = 3,638.88 : x
  2. Step 2: Convert to fraction form
    8,904.99/13,357.43 = 3,638.88/x
  3. Step 3: Cross multiply
    8,904.99x = 13,357.43 × 3,638.88
  4. Step 4: Simplify right side
    8,904.99x = 48,606,084.88
  5. Step 5: Solve for x
    x = 48,606,084.88/8,904.99
  6. Step 6: Final answer
    x = 5,458.30

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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.