Home / 6,386.75-9,575.69-2,685.97

Finding the Fourth Proportional to 6,386.75, 9,575.69 and 2,685.97

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Solution

The fourth proportional to 6,386.75, 9,575.69 and 2,685.97 is: 4,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.75 : 9,575.69 = 2,685.97 : x
  2. Step 2: Convert to fraction form
    6,386.75/9,575.69 = 2,685.97/x
  3. Step 3: Cross multiply
    6,386.75x = 9,575.69 × 2,685.97
  4. Step 4: Simplify right side
    6,386.75x = 25,719,978.70
  5. Step 5: Solve for x
    x = 25,719,978.70/6,386.75
  6. Step 6: Final answer
    x = 4,027.09

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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.