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Finding the Fourth Proportional to 6,382.44, 8,804.25 and 3,865.32

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Solution

The fourth proportional to 6,382.44, 8,804.25 and 3,865.32 is: 5,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.44 : 8,804.25 = 3,865.32 : x
  2. Step 2: Convert to fraction form
    6,382.44/8,804.25 = 3,865.32/x
  3. Step 3: Cross multiply
    6,382.44x = 8,804.25 × 3,865.32
  4. Step 4: Simplify right side
    6,382.44x = 34,031,243.61
  5. Step 5: Solve for x
    x = 34,031,243.61/6,382.44
  6. Step 6: Final answer
    x = 5,332.01

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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.