Home / 7,097.78-9,796.62-4,115.25

Finding the Fourth Proportional to 7,097.78, 9,796.62 and 4,115.25

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Solution

The fourth proportional to 7,097.78, 9,796.62 and 4,115.25 is: 5,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.78 : 9,796.62 = 4,115.25 : x
  2. Step 2: Convert to fraction form
    7,097.78/9,796.62 = 4,115.25/x
  3. Step 3: Cross multiply
    7,097.78x = 9,796.62 × 4,115.25
  4. Step 4: Simplify right side
    7,097.78x = 40,315,540.46
  5. Step 5: Solve for x
    x = 40,315,540.46/7,097.78
  6. Step 6: Final answer
    x = 5,680.03

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1.5x scale

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.