Home / 8,829.78-13,236.18-3,281.64

Finding the Fourth Proportional to 8,829.78, 13,236.18 and 3,281.64

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Solution

The fourth proportional to 8,829.78, 13,236.18 and 3,281.64 is: 4,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.78 : 13,236.18 = 3,281.64 : x
  2. Step 2: Convert to fraction form
    8,829.78/13,236.18 = 3,281.64/x
  3. Step 3: Cross multiply
    8,829.78x = 13,236.18 × 3,281.64
  4. Step 4: Simplify right side
    8,829.78x = 43,436,377.74
  5. Step 5: Solve for x
    x = 43,436,377.74/8,829.78
  6. Step 6: Final answer
    x = 4,919.30

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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.