Home / 5,129.29-7,078.43-3,004.44

Finding the Fourth Proportional to 5,129.29, 7,078.43 and 3,004.44

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Solution

The fourth proportional to 5,129.29, 7,078.43 and 3,004.44 is: 4,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.29 : 7,078.43 = 3,004.44 : x
  2. Step 2: Convert to fraction form
    5,129.29/7,078.43 = 3,004.44/x
  3. Step 3: Cross multiply
    5,129.29x = 7,078.43 × 3,004.44
  4. Step 4: Simplify right side
    5,129.29x = 21,266,718.23
  5. Step 5: Solve for x
    x = 21,266,718.23/5,129.29
  6. Step 6: Final answer
    x = 4,146.13

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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.