Home / 4,227.72-6,339.50-1,305.32

Finding the Fourth Proportional to 4,227.72, 6,339.50 and 1,305.32

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Solution

The fourth proportional to 4,227.72, 6,339.50 and 1,305.32 is: 1,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.72 : 6,339.50 = 1,305.32 : x
  2. Step 2: Convert to fraction form
    4,227.72/6,339.50 = 1,305.32/x
  3. Step 3: Cross multiply
    4,227.72x = 6,339.50 × 1,305.32
  4. Step 4: Simplify right side
    4,227.72x = 8,275,076.14
  5. Step 5: Solve for x
    x = 8,275,076.14/4,227.72
  6. Step 6: Final answer
    x = 1,957.34

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Double scale
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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.