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Finding the Fourth Proportional to 4,246.52, 6,369.78 and 1,905.24

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Solution

The fourth proportional to 4,246.52, 6,369.78 and 1,905.24 is: 2,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.52 : 6,369.78 = 1,905.24 : x
  2. Step 2: Convert to fraction form
    4,246.52/6,369.78 = 1,905.24/x
  3. Step 3: Cross multiply
    4,246.52x = 6,369.78 × 1,905.24
  4. Step 4: Simplify right side
    4,246.52x = 12,135,959.65
  5. Step 5: Solve for x
    x = 12,135,959.65/4,246.52
  6. Step 6: Final answer
    x = 2,857.86

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Similar ratio
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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.