Home / 7,867.96-10,855.82-4,995.64

Finding the Fourth Proportional to 7,867.96, 10,855.82 and 4,995.64

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Solution

The fourth proportional to 7,867.96, 10,855.82 and 4,995.64 is: 6,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.96 : 10,855.82 = 4,995.64 : x
  2. Step 2: Convert to fraction form
    7,867.96/10,855.82 = 4,995.64/x
  3. Step 3: Cross multiply
    7,867.96x = 10,855.82 × 4,995.64
  4. Step 4: Simplify right side
    7,867.96x = 54,231,768.62
  5. Step 5: Solve for x
    x = 54,231,768.62/7,867.96
  6. Step 6: Final answer
    x = 6,892.74

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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.