Home / 8,558.21-12,837.34-3,008.54

Finding the Fourth Proportional to 8,558.21, 12,837.34 and 3,008.54

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Solution

The fourth proportional to 8,558.21, 12,837.34 and 3,008.54 is: 4,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.21 : 12,837.34 = 3,008.54 : x
  2. Step 2: Convert to fraction form
    8,558.21/12,837.34 = 3,008.54/x
  3. Step 3: Cross multiply
    8,558.21x = 12,837.34 × 3,008.54
  4. Step 4: Simplify right side
    8,558.21x = 38,621,669.81
  5. Step 5: Solve for x
    x = 38,621,669.81/8,558.21
  6. Step 6: Final answer
    x = 4,512.82

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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.