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Finding the Fourth Proportional to 6,405.27, 8,840.52 and 3,752.97

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Solution

The fourth proportional to 6,405.27, 8,840.52 and 3,752.97 is: 5,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.27 : 8,840.52 = 3,752.97 : x
  2. Step 2: Convert to fraction form
    6,405.27/8,840.52 = 3,752.97/x
  3. Step 3: Cross multiply
    6,405.27x = 8,840.52 × 3,752.97
  4. Step 4: Simplify right side
    6,405.27x = 33,178,206.34
  5. Step 5: Solve for x
    x = 33,178,206.34/6,405.27
  6. Step 6: Final answer
    x = 5,179.83

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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.