Home / 8,529.24-12,788.58-3,329

Finding the Fourth Proportional to 8,529.24, 12,788.58 and 3,329

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Solution

The fourth proportional to 8,529.24, 12,788.58 and 3,329 is: 4,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.24 : 12,788.58 = 3,329 : x
  2. Step 2: Convert to fraction form
    8,529.24/12,788.58 = 3,329/x
  3. Step 3: Cross multiply
    8,529.24x = 12,788.58 × 3,329
  4. Step 4: Simplify right side
    8,529.24x = 42,573,182.82
  5. Step 5: Solve for x
    x = 42,573,182.82/8,529.24
  6. Step 6: Final answer
    x = 4,991.44

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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.