Home / 5,382.11-8,058.79-3,159.10

Finding the Fourth Proportional to 5,382.11, 8,058.79 and 3,159.10

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Solution

The fourth proportional to 5,382.11, 8,058.79 and 3,159.10 is: 4,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.11 : 8,058.79 = 3,159.10 : x
  2. Step 2: Convert to fraction form
    5,382.11/8,058.79 = 3,159.10/x
  3. Step 3: Cross multiply
    5,382.11x = 8,058.79 × 3,159.10
  4. Step 4: Simplify right side
    5,382.11x = 25,458,537.51
  5. Step 5: Solve for x
    x = 25,458,537.51/5,382.11
  6. Step 6: Final answer
    x = 4,730.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.