Home / 8,621.20-12,933.24-3,073.24

Finding the Fourth Proportional to 8,621.20, 12,933.24 and 3,073.24

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Solution

The fourth proportional to 8,621.20, 12,933.24 and 3,073.24 is: 4,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.20 : 12,933.24 = 3,073.24 : x
  2. Step 2: Convert to fraction form
    8,621.20/12,933.24 = 3,073.24/x
  3. Step 3: Cross multiply
    8,621.20x = 12,933.24 × 3,073.24
  4. Step 4: Simplify right side
    8,621.20x = 39,746,950.50
  5. Step 5: Solve for x
    x = 39,746,950.50/8,621.20
  6. Step 6: Final answer
    x = 4,610.37

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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.