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Finding the Fourth Proportional to 8,841.12, 13,262.04 and 3,646.50

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Solution

The fourth proportional to 8,841.12, 13,262.04 and 3,646.50 is: 5,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.12 : 13,262.04 = 3,646.50 : x
  2. Step 2: Convert to fraction form
    8,841.12/13,262.04 = 3,646.50/x
  3. Step 3: Cross multiply
    8,841.12x = 13,262.04 × 3,646.50
  4. Step 4: Simplify right side
    8,841.12x = 48,360,028.86
  5. Step 5: Solve for x
    x = 48,360,028.86/8,841.12
  6. Step 6: Final answer
    x = 5,469.90

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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.