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Finding the Fourth Proportional to 8,954.34, 13,437.35 and 3,407.73

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Solution

The fourth proportional to 8,954.34, 13,437.35 and 3,407.73 is: 5,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.34 : 13,437.35 = 3,407.73 : x
  2. Step 2: Convert to fraction form
    8,954.34/13,437.35 = 3,407.73/x
  3. Step 3: Cross multiply
    8,954.34x = 13,437.35 × 3,407.73
  4. Step 4: Simplify right side
    8,954.34x = 45,790,843.68
  5. Step 5: Solve for x
    x = 45,790,843.68/8,954.34
  6. Step 6: Final answer
    x = 5,113.82

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1.5x scale

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.