Home / 7,769.96-11,644.56-2,834.96

Finding the Fourth Proportional to 7,769.96, 11,644.56 and 2,834.96

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Solution

The fourth proportional to 7,769.96, 11,644.56 and 2,834.96 is: 4,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.96 : 11,644.56 = 2,834.96 : x
  2. Step 2: Convert to fraction form
    7,769.96/11,644.56 = 2,834.96/x
  3. Step 3: Cross multiply
    7,769.96x = 11,644.56 × 2,834.96
  4. Step 4: Simplify right side
    7,769.96x = 33,011,861.82
  5. Step 5: Solve for x
    x = 33,011,861.82/7,769.96
  6. Step 6: Final answer
    x = 4,248.65

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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.