Home / 7,769.34-11,665.62-4,488.84

Finding the Fourth Proportional to 7,769.34, 11,665.62 and 4,488.84

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Solution

The fourth proportional to 7,769.34, 11,665.62 and 4,488.84 is: 6,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.34 : 11,665.62 = 4,488.84 : x
  2. Step 2: Convert to fraction form
    7,769.34/11,665.62 = 4,488.84/x
  3. Step 3: Cross multiply
    7,769.34x = 11,665.62 × 4,488.84
  4. Step 4: Simplify right side
    7,769.34x = 52,365,101.68
  5. Step 5: Solve for x
    x = 52,365,101.68/7,769.34
  6. Step 6: Final answer
    x = 6,739.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.