Home / 4,809.38-6,642.41-3,234.74

Finding the Fourth Proportional to 4,809.38, 6,642.41 and 3,234.74

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Solution

The fourth proportional to 4,809.38, 6,642.41 and 3,234.74 is: 4,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.38 : 6,642.41 = 3,234.74 : x
  2. Step 2: Convert to fraction form
    4,809.38/6,642.41 = 3,234.74/x
  3. Step 3: Cross multiply
    4,809.38x = 6,642.41 × 3,234.74
  4. Step 4: Simplify right side
    4,809.38x = 21,486,419.94
  5. Step 5: Solve for x
    x = 21,486,419.94/4,809.38
  6. Step 6: Final answer
    x = 4,467.61

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.