Home / 8,962.56-13,439.60-3,118.44

Finding the Fourth Proportional to 8,962.56, 13,439.60 and 3,118.44

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Solution

The fourth proportional to 8,962.56, 13,439.60 and 3,118.44 is: 4,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.56 : 13,439.60 = 3,118.44 : x
  2. Step 2: Convert to fraction form
    8,962.56/13,439.60 = 3,118.44/x
  3. Step 3: Cross multiply
    8,962.56x = 13,439.60 × 3,118.44
  4. Step 4: Simplify right side
    8,962.56x = 41,910,586.22
  5. Step 5: Solve for x
    x = 41,910,586.22/8,962.56
  6. Step 6: Final answer
    x = 4,676.18

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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.