Home / 7,964.83-10,991.82-4,607.79

Finding the Fourth Proportional to 7,964.83, 10,991.82 and 4,607.79

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Solution

The fourth proportional to 7,964.83, 10,991.82 and 4,607.79 is: 6,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.83 : 10,991.82 = 4,607.79 : x
  2. Step 2: Convert to fraction form
    7,964.83/10,991.82 = 4,607.79/x
  3. Step 3: Cross multiply
    7,964.83x = 10,991.82 × 4,607.79
  4. Step 4: Simplify right side
    7,964.83x = 50,647,998.28
  5. Step 5: Solve for x
    x = 50,647,998.28/7,964.83
  6. Step 6: Final answer
    x = 6,358.96

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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.