Home / 8,874.44-13,289.78-5,579.36

Finding the Fourth Proportional to 8,874.44, 13,289.78 and 5,579.36

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Solution

The fourth proportional to 8,874.44, 13,289.78 and 5,579.36 is: 8,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.44 : 13,289.78 = 5,579.36 : x
  2. Step 2: Convert to fraction form
    8,874.44/13,289.78 = 5,579.36/x
  3. Step 3: Cross multiply
    8,874.44x = 13,289.78 × 5,579.36
  4. Step 4: Simplify right side
    8,874.44x = 74,148,466.94
  5. Step 5: Solve for x
    x = 74,148,466.94/8,874.44
  6. Step 6: Final answer
    x = 8,355.28

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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.