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Finding the Fourth Proportional to 8,954.53, 13,437.62 and 3,407.92

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Solution

The fourth proportional to 8,954.53, 13,437.62 and 3,407.92 is: 5,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.53 : 13,437.62 = 3,407.92 : x
  2. Step 2: Convert to fraction form
    8,954.53/13,437.62 = 3,407.92/x
  3. Step 3: Cross multiply
    8,954.53x = 13,437.62 × 3,407.92
  4. Step 4: Simplify right side
    8,954.53x = 45,794,296.10
  5. Step 5: Solve for x
    x = 45,794,296.10/8,954.53
  6. Step 6: Final answer
    x = 5,114.09

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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.