Home / 6,810.54-10,201.45-3,115.88

Finding the Fourth Proportional to 6,810.54, 10,201.45 and 3,115.88

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Solution

The fourth proportional to 6,810.54, 10,201.45 and 3,115.88 is: 4,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.54 : 10,201.45 = 3,115.88 : x
  2. Step 2: Convert to fraction form
    6,810.54/10,201.45 = 3,115.88/x
  3. Step 3: Cross multiply
    6,810.54x = 10,201.45 × 3,115.88
  4. Step 4: Simplify right side
    6,810.54x = 31,786,494.03
  5. Step 5: Solve for x
    x = 31,786,494.03/6,810.54
  6. Step 6: Final answer
    x = 4,667.25

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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.