Home / 7,961.82-10,987.35-4,425.36

Finding the Fourth Proportional to 7,961.82, 10,987.35 and 4,425.36

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Solution

The fourth proportional to 7,961.82, 10,987.35 and 4,425.36 is: 6,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.82 : 10,987.35 = 4,425.36 : x
  2. Step 2: Convert to fraction form
    7,961.82/10,987.35 = 4,425.36/x
  3. Step 3: Cross multiply
    7,961.82x = 10,987.35 × 4,425.36
  4. Step 4: Simplify right side
    7,961.82x = 48,622,979.20
  5. Step 5: Solve for x
    x = 48,622,979.20/7,961.82
  6. Step 6: Final answer
    x = 6,107.02

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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.