Home / 8,529.11-12,805.62-4,372.10

Finding the Fourth Proportional to 8,529.11, 12,805.62 and 4,372.10

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Solution

The fourth proportional to 8,529.11, 12,805.62 and 4,372.10 is: 6,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.11 : 12,805.62 = 4,372.10 : x
  2. Step 2: Convert to fraction form
    8,529.11/12,805.62 = 4,372.10/x
  3. Step 3: Cross multiply
    8,529.11x = 12,805.62 × 4,372.10
  4. Step 4: Simplify right side
    8,529.11x = 55,987,365.31
  5. Step 5: Solve for x
    x = 55,987,365.31/8,529.11
  6. Step 6: Final answer
    x = 6,564.27

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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.