Home / 7,867.97-10,857.94-4,331.30

Finding the Fourth Proportional to 7,867.97, 10,857.94 and 4,331.30

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Solution

The fourth proportional to 7,867.97, 10,857.94 and 4,331.30 is: 5,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.97 : 10,857.94 = 4,331.30 : x
  2. Step 2: Convert to fraction form
    7,867.97/10,857.94 = 4,331.30/x
  3. Step 3: Cross multiply
    7,867.97x = 10,857.94 × 4,331.30
  4. Step 4: Simplify right side
    7,867.97x = 47,028,995.52
  5. Step 5: Solve for x
    x = 47,028,995.52/7,867.97
  6. Step 6: Final answer
    x = 5,977.27

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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.