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Finding the Fourth Proportional to 6,328.33, 8,732.41 and 3,775.61

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Solution

The fourth proportional to 6,328.33, 8,732.41 and 3,775.61 is: 5,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,328.33 : 8,732.41 = 3,775.61 : x
  2. Step 2: Convert to fraction form
    6,328.33/8,732.41 = 3,775.61/x
  3. Step 3: Cross multiply
    6,328.33x = 8,732.41 × 3,775.61
  4. Step 4: Simplify right side
    6,328.33x = 32,970,186.91
  5. Step 5: Solve for x
    x = 32,970,186.91/6,328.33
  6. Step 6: Final answer
    x = 5,209.94

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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.