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Finding the Fourth Proportional to 5,804.31, 8,010.11 and 3,151.88

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Solution

The fourth proportional to 5,804.31, 8,010.11 and 3,151.88 is: 4,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.31 : 8,010.11 = 3,151.88 : x
  2. Step 2: Convert to fraction form
    5,804.31/8,010.11 = 3,151.88/x
  3. Step 3: Cross multiply
    5,804.31x = 8,010.11 × 3,151.88
  4. Step 4: Simplify right side
    5,804.31x = 25,246,905.51
  5. Step 5: Solve for x
    x = 25,246,905.51/5,804.31
  6. Step 6: Final answer
    x = 4,349.68

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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.