Home / 4,631.23-6,390.09-2,743.39

Finding the Fourth Proportional to 4,631.23, 6,390.09 and 2,743.39

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Solution

The fourth proportional to 4,631.23, 6,390.09 and 2,743.39 is: 3,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.23 : 6,390.09 = 2,743.39 : x
  2. Step 2: Convert to fraction form
    4,631.23/6,390.09 = 2,743.39/x
  3. Step 3: Cross multiply
    4,631.23x = 6,390.09 × 2,743.39
  4. Step 4: Simplify right side
    4,631.23x = 17,530,534.96
  5. Step 5: Solve for x
    x = 17,530,534.96/4,631.23
  6. Step 6: Final answer
    x = 3,785.29

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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.