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Finding the Fourth Proportional to 8,883.64, 13,325.79 and 2,309.64

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Solution

The fourth proportional to 8,883.64, 13,325.79 and 2,309.64 is: 3,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.64 : 13,325.79 = 2,309.64 : x
  2. Step 2: Convert to fraction form
    8,883.64/13,325.79 = 2,309.64/x
  3. Step 3: Cross multiply
    8,883.64x = 13,325.79 × 2,309.64
  4. Step 4: Simplify right side
    8,883.64x = 30,777,777.62
  5. Step 5: Solve for x
    x = 30,777,777.62/8,883.64
  6. Step 6: Final answer
    x = 3,464.55

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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.