Home / 4,319.15-6,478.83-3,230.43

Finding the Fourth Proportional to 4,319.15, 6,478.83 and 3,230.43

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Solution

The fourth proportional to 4,319.15, 6,478.83 and 3,230.43 is: 4,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.15 : 6,478.83 = 3,230.43 : x
  2. Step 2: Convert to fraction form
    4,319.15/6,478.83 = 3,230.43/x
  3. Step 3: Cross multiply
    4,319.15x = 6,478.83 × 3,230.43
  4. Step 4: Simplify right side
    4,319.15x = 20,929,406.80
  5. Step 5: Solve for x
    x = 20,929,406.80/4,319.15
  6. Step 6: Final answer
    x = 4,845.72

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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.