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Finding the Fourth Proportional to 8,994.88, 13,483.20 and 3,446.80

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Solution

The fourth proportional to 8,994.88, 13,483.20 and 3,446.80 is: 5,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.88 : 13,483.20 = 3,446.80 : x
  2. Step 2: Convert to fraction form
    8,994.88/13,483.20 = 3,446.80/x
  3. Step 3: Cross multiply
    8,994.88x = 13,483.20 × 3,446.80
  4. Step 4: Simplify right side
    8,994.88x = 46,473,893.76
  5. Step 5: Solve for x
    x = 46,473,893.76/8,994.88
  6. Step 6: Final answer
    x = 5,166.71

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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.