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Finding the Fourth Proportional to 8,873.76, 13,308.73 and 3,607.43

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Solution

The fourth proportional to 8,873.76, 13,308.73 and 3,607.43 is: 5,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.76 : 13,308.73 = 3,607.43 : x
  2. Step 2: Convert to fraction form
    8,873.76/13,308.73 = 3,607.43/x
  3. Step 3: Cross multiply
    8,873.76x = 13,308.73 × 3,607.43
  4. Step 4: Simplify right side
    8,873.76x = 48,010,236.30
  5. Step 5: Solve for x
    x = 48,010,236.30/8,873.76
  6. Step 6: Final answer
    x = 5,410.36

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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.