Home / 6,423.20-9,631.15-3,827.96

Finding the Fourth Proportional to 6,423.20, 9,631.15 and 3,827.96

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Solution

The fourth proportional to 6,423.20, 9,631.15 and 3,827.96 is: 5,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.20 : 9,631.15 = 3,827.96 : x
  2. Step 2: Convert to fraction form
    6,423.20/9,631.15 = 3,827.96/x
  3. Step 3: Cross multiply
    6,423.20x = 9,631.15 × 3,827.96
  4. Step 4: Simplify right side
    6,423.20x = 36,867,656.95
  5. Step 5: Solve for x
    x = 36,867,656.95/6,423.20
  6. Step 6: Final answer
    x = 5,739.76

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1.5x scale

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.