Home / 4,314.20-6,453.30-3,929.72

Finding the Fourth Proportional to 4,314.20, 6,453.30 and 3,929.72

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Solution

The fourth proportional to 4,314.20, 6,453.30 and 3,929.72 is: 5,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.20 : 6,453.30 = 3,929.72 : x
  2. Step 2: Convert to fraction form
    4,314.20/6,453.30 = 3,929.72/x
  3. Step 3: Cross multiply
    4,314.20x = 6,453.30 × 3,929.72
  4. Step 4: Simplify right side
    4,314.20x = 25,359,662.08
  5. Step 5: Solve for x
    x = 25,359,662.08/4,314.20
  6. Step 6: Final answer
    x = 5,878.18

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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.