Home / 6,537.78-9,805.66-1,858.01

Finding the Fourth Proportional to 6,537.78, 9,805.66 and 1,858.01

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Solution

The fourth proportional to 6,537.78, 9,805.66 and 1,858.01 is: 2,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.78 : 9,805.66 = 1,858.01 : x
  2. Step 2: Convert to fraction form
    6,537.78/9,805.66 = 1,858.01/x
  3. Step 3: Cross multiply
    6,537.78x = 9,805.66 × 1,858.01
  4. Step 4: Simplify right side
    6,537.78x = 18,218,960.66
  5. Step 5: Solve for x
    x = 18,218,960.66/6,537.78
  6. Step 6: Final answer
    x = 2,786.72

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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.