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Finding the Fourth Proportional to 8,873.62, 13,311.20 and 3,252.81

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Solution

The fourth proportional to 8,873.62, 13,311.20 and 3,252.81 is: 4,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.62 : 13,311.20 = 3,252.81 : x
  2. Step 2: Convert to fraction form
    8,873.62/13,311.20 = 3,252.81/x
  3. Step 3: Cross multiply
    8,873.62x = 13,311.20 × 3,252.81
  4. Step 4: Simplify right side
    8,873.62x = 43,298,804.47
  5. Step 5: Solve for x
    x = 43,298,804.47/8,873.62
  6. Step 6: Final answer
    x = 4,879.50

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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.